PW

Parke Donald Williams

📍 Hagerstown, MD: #72 of 223 inventorsTop 35%
🗺 Maryland: #13,387 of 35,612 inventorsTop 40%
Overall (All Time): #2,247,136 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5878730 Lawn mower powered by alternative fuels using a fuel injector adapted for gaseous fuels — 1999-03-09
5676117 Lawn mower powered by alternative fuels — 1997-10-14