FD

Frederick L. Drotar

Ford: 2 patents #6,445 of 17,473Top 40%
Overall (All Time): #2,276,579 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5492202 Vibration damping brake piston for a motor vehicle John Hoffman, Christian A. Valachovic 1996-02-20
4509772 One-piece adjusting sleeve David R. Wotton, Carroll D. Dickerson, Lawrence A. Makowski 1985-04-09