DD

Doug Doup

CU Cummins: 1 patents #780 of 1,560Top 50%
Overall (All Time): #3,224,410 of 4,157,543Top 80%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8276563 Internal combustion engine piston David P. Quigley, Patrick R. Shea, Aaron S. Quinton, Dana Richardson 2012-10-02