DP

Donald H. Pinkstock

🗺 Ohio: #42,657 of 73,341 inventorsTop 60%
Overall (All Time): #3,861,922 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5157988 Elastic crank for bicycles — 1992-10-27