DH

David L. Hardgrove

📍 North Canton, OH: #368 of 570 inventorsTop 65%
🗺 Ohio: #42,657 of 73,341 inventorsTop 60%
Overall (All Time): #3,924,337 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4817307 Bumper mounting assembly for a snowplow — 1989-04-04