DP

David A. Pierpoint

Caterpillar: 1 patents #4,437 of 8,398Top 55%
📍 Dunlap, IL: #296 of 474 inventorsTop 65%
🗺 Illinois: #48,934 of 84,256 inventorsTop 60%
Overall (All Time): #3,382,493 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7201121 Combustion engine including fluidically-driven engine valve actuator James R. Weber, Scott Leman, Gerald N. Coleman, Kevin P. Duffy, Eric C. Fluga +1 more 2007-04-10