RD

R. Richard Durham

📍 Circleville, OH: #43 of 79 inventorsTop 55%
🗺 Ohio: #42,657 of 73,341 inventorsTop 60%
Overall (All Time): #3,963,728 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4787659 Apparatus and method for retrieving articles lost in drains — 1988-11-29