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AREAS of EXPERTISE
Fasteners, Latching Mechanisms, Rapid Decompression, Aircraft & other
Vehicle Structures, Structural Analysis, Numerical & Nonlinear Finite
Element Modeling, Metals Behavior, Products Liability & Personal Injury.
Licenses
- Professional Engineer – California No. M19452 (Mechanical
Branch)
PROFESSIONAL ORGANIZATIONS
- National Academy of Forensic Engineers (NAFE)
- National Society of Professional Engineers (NSPE/CSPE)
- American Society of Mechanical Engineers (ASME)
- American Society of Civil Engineers (ASCE)
- American Society of Metals (ASM)
EDUCATION
- B.S.M.E. - California State University, Fullerton
- M.S.M.E. - California State University, Fullerton
- Ph.D. - Civil Engineering—Structural Mechanics - Airframe Joint Behavior
University of California, Irvine
EMPLOYMENT
- Argos Engineering, Laguna Niguel, CA. June 1 2005 – Present
Principal. Provide litigation consulting & expert witness services to
legal professionals. Provide new product development & engineering
consulting to the Aerospace Fastener & Interiors industries.
- Hartwell Corporation, Placentia, CA. August 1 2000 – June 1 2005
Vice President, Engineering. Managed the new product development & R&D
functions, comprising 26 employees. Responsible for all engineering-related
activities including product development, R&D, intellectual property,
technical publications, & products liability. Co-inventor of a line of
secure cockpit door latches. Led the post-9/11 development &
commercialization for secure cockpit door latches, as well as engine nacelle
latching systems for A318, A380, A340, B-787 & ARJ21, among others.
- Textron Aerospace Fasteners (Cherry Textron), Santa Ana, CA. March 1988 –
July 30 2000
Vice President, Research & Development- Oversaw the product development of
aerospace & industrial fasteners. Managed the R&D department, intellectual
property, products liability & CADD /document control activities. Active
in license & joint venture negotiations. Founded Textron Sports Technology
& acted as General Manager of that business until it was transferred to
Textron’s Camcar division. Initiated collaborative projects with local
universities. Primary interface with the FAA & NTSB.
- Monogram Aerospace Fasteners Inc., Commerce, CA. Feb. 1979-March 1988
Engineering Manager- Managed the new product development & product
engineering activities as well as cad drafting/document control &
intellectual property. Company liaison for industry & government standards
organizations (MIL-HDBK-5, NASC, AMFRG, FTDG, FEOPS, & ISO). Responsible
for all product qualifications, applications testing & development of
joint allowables. Reported to general manager. Invented & led the
development of Composi-Lok (I & II) & Visu-Lok II blind bolts, among
others.
- Olympic Fastening Systems, Downey, CA. August 1969-Feb. 1979
Sr. Project Engineer, R&D. Held various engineering positions in
Manufacturing Engineering & R&D since beginning as a draftsman in 1969.
Responsibilities included sustaining engineering, progressive header tool
design, installation tool development & development of fastener allowables
for inclusion in MIL-HDBK-5.
HONORS & ACHIEVEMENTS
- Registered Professional Engineer - Mechanical February 1979 - CA
- Tau Beta Pi
- Named inventor on thirty-one issued U.S. patents, as well as over 100
foreign counterparts, for fasteners, mechanisms, & sports equipment. Other
patents are pending at the USPTO.
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- 4,967,463
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- 5,620,287
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OTHER
- Chairman Metallic Materials Properties Development & Standardization
(MMPDS—formerly MIL-HDBK-5) Finite Element Analysis Sub Task Group (FEASTG),
Fall 2005 – Present.
- International Chairman of ISO/TC20/SC4 WG8 (Aerospace/Fasteners/Rivets),
Fall 1997
through July 2000.
- Immediate past Chairman of the Industrial Fasteners Institute Division
II (Aerospace) technical committee, since Spring 1997.
- Chairman of the Mil-Handbook-5 Fastener-Industry Working Group (FIWG),
Spring 1998 through July 2000.
- Member of the FAA ARACS working Group that drafted TSO-C148 (Technical
Standard Order) for aerospace fasteners (1996-1997).
- U.S. Army 1967 - 1969 (Honorable Discharge).
PUBLICATIONS
- "Fastening of Advanced Composites", NASA conference, 1983, Seattle, WA.
- “Analytical Modeling of Bolted Lap Joint Load-Elongation Behavior”,
Journal of Aerospace Engineering, Jan. 2002 (ASCE)
- “Comparative Load-Elongation Behavior of Single-Bolted & Dual-Bolted
Lap Joints”, Journal of Aerospace Engineering, April 2002 (ASCE)
- “The Influence of Conical Head Geometry on the Slip Resistance of Bolted
Joints”, Journal of Aerospace Engineering, October 2002 (ASCE)
LEGAL EXPERIENCE
- UNITED STATES DISTRICT COURT
SOUTHERN DISTRICT OF NEW YORK
IN RE HELICOPTER CRASH AT THE 60th
STREET HELIPORT, NEW YORK, NEW YORK 98 CIV 3442
ON APRIL 15th 1997
In 1997 a Colgate-Palmolive corporate helicopter crashed immediately after
takeoff into New York's East River, killing one occupant & severely
injuring two others. The NTSB's probable cause was tail boom fatigue failure
due to substitution of solid rivets with Cherry Max blind rivets during a
recent repair procedure. Engaged as a fastener expert for the defense
during the period 1998 through 2001.
- SUPERIOR COURT OF LOS ANGELES COUNTY
SOUTHEAST DISTRICT—NORWALK
Cline v. Winnebago et al., Jan. 2003-present
Retractable bed in a Class “A” motor home alledgedly drops onto the head of
plaintiff while vehicle is being operated. Engaged as a mechanisms expert
for the defense beginning 2006.
- Moyer v. Superior Air Parts (2005): Beechcraft Bonanza airplane crash
after engine failure. Engine failure alledgedly caused by cyinder head bolt
fatigue failures resulting from low clamp load. Engaged as the fastener
expert for the defense.
- Calgary Canada 1988 Winter Olympics Skating Oval---Roof leakage
allegedly caused by defective commercial blind fasteners. Settled during
arbitration. I functioned as liaison & fastener expert with outside
counsel. Assisted with arbitration.
- Third-party lawsuit against Hartwell Corporation alleging that defective
latching mechanism failed to maintain cargo door in secured position. During
flight the cargo door is alleged to have opened with exiting cargo impacting
the tail rotor, resulting in a crash & injuries. I functioned as liaison
with outside counsel & as an in-house latching expert.
- Federal Trade Commission (FTC) action against Textron (Docket # 9226)
regarding acquisition of Avdel PLC. My involvement included a deposition
plus five days of testimony in front of an FTC administrative law judge in
relation to aerospace fasteners (engineering, joint strength, fastener
markets, etc).
INTELLECTUAL PROPERTY CASES
- Olympic Fastening Systems v. Monogram Aerospace Fasteners (1979): Patent
infringement case (Defense)
- Huck International v. Cherry Div. of Textron Inc. (1995): Patent
infringement case (Defense)
- Cherry Div. of Textron Inc. v. Allfast Inc. (1998): Patent infringement
case (Plaintiff)
- Hartwell Corp. v. Avibank Div. of SPS Inc. (2003): Patent infringement
case (Plaintiff)
- Hartwell Corp. v. Harper Engineering (2005): Patent infringement case
(Plaintiff)
- Hartwell Corp. v. Adams-Rite (2005): Patent Infringement Case
(Plaintiff)
SPECIFIC FASTENER & MECHANISM EXPERTISE
- Conventional threaded screws, bolts & nuts (AN, MS, SAE, etc.)
- Blind fasteners (rivets & bolts)
- Expandable bushing fasteners
- Aircraft latching mechanisms (engine nacelles, access panels, door handles, stow bin latches, etc.)
- Aircraft decompression mechanisms
- Secure cockpit door latches & mechanisms
- In-line skate & running shoe hardware (axles, cleats, etc.)
- All products manufactured by the following companies;
- Monogram Aerospace Fasteners
- Textron Aerospace Fasteners & Textron Fastening Systems
- Hartwell Corporation / Adams-Rite / Avibank Div. of SPS / RAM Div. of Alcoa Fastening Systems
- Alcoa Fastening Systems (Huck, Tridair, Rosan, Fairchild, Voi-Shan, Deutch)
- Allfast Fastening Systems
- Click Bond Inc.
- Emhart-Heli Coil
- Hi-Shear Corporation / West Coast Aerospace / Air Industries
- Nylok
- Shur-Lok
- SPS
- Sonic Industries
- The Young Engineers
- Dzus
- POP
FORENSIC ENGINEERING SEMINARS
- July 10-11, 2005: NAFE, Chicago IL
- Oct. 15-16, 2005: SFES, Concord, CA
- Jan. 21-23, 2006: NAFE, Washington DC
- Jan. 28-29, 2006: SFES, Santa Monica CA
- Feb. 20-24, 2006: AAFS, Seattle WA
- Mar. 25-26, 2006 SFES, Yosemite CA
SPECIALITY EQUIPMENT, SOFTWARE & CONNECTIONS
- Laptop w/ 17” screen with all standard Microsoft Office software
- Lawrence Livermore Laboratories’ suite of finite element analysis codes,
with compiler
- SolidWorks Premium, including CosmosWorks & Cosmos FEA
- Visual Basic for writing Windows-based programs
- Canon 30D 8.2MP with 35-85mm EOS & 100mm Macro lenses & Micro-Lite
attachment
- Working relationships with several local laboratories & universities
for testing & analysis
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