GG

Grant G. Gehman

📍 Knoxville, PA: #1 of 4 inventorsTop 25%
🗺 Pennsylvania: #30,495 of 74,527 inventorsTop 45%
Overall (All Time): #2,123,294 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
RE41373 Rotary engine 2010-06-15
6935300 Rotary engine 2005-08-30