OP

Oscar D. Parman

DA Dover Associates: 1 patents #39 of 107Top 40%
📍 Rochester, MI: #543 of 860 inventorsTop 65%
🗺 Michigan: #49,615 of 86,293 inventorsTop 60%
Overall (All Time): #3,988,937 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4565214 Flapper check valve assembly — 1986-01-21