WD

William A. Dammers

SC Schaeffler: 1 patents #136 of 346Top 40%
Overall (All Time): #3,382,494 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7201125 Valve train for an internal combustion engine Matthew Evans, Florin Bugescu 2007-04-10