DR

David Rothamer

WARF: 2 patents #1,011 of 4,123Top 25%
📍 Madison, WI: #1,967 of 4,527 inventorsTop 45%
🗺 Wisconsin: #17,084 of 40,088 inventorsTop 45%
Overall (All Time): #1,692,116 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12209532 Compression ignition engine with igniter and pilot injector Harsh Darshan Sapra, Sage L. Kokjohn, Randy Hessel, Eri Amezcua Cuellar 2025-01-28
11519378 Internal combustion engine with laser-assisted, compression ignition 2022-12-06