DH

David C. Heidenrcich

PT Pt Tech: 1 patents #6 of 17Top 40%
Overall (All Time): #3,271,249 of 4,157,543Top 80%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8066619 Clutch control system Robert E. Herchick, Erik Leonard Olson, Joseph W. Guinter, David A. Peterman, Arthur F. Gouker +1 more 2011-11-29