Dirk Hardtmann has a total of 1 patent(s) in the database.
* Some patents in this database have one or more inventors, not all of whom may be from Wyoming.
Patent Number: 5480181 View patent at USPTO Title: SIDE IMPACT HEAD STRIKE PROTECTION SYSTEM Assignee: Simula, Inc. Issue Date: January 02, 1996 Inventor(s): Lindley W. Bark, Chandler, AZ
Dirk J. Hardtmann, Mesa, AZ
Gregory A. Mowry, Phoenix, AZ
David J. Romeo, Thayne, WY
Gershon Yaniv, Scottsdale, AZ