JO

John C. Oprea

DI Durakon Industries: 2 patents #9 of 24Top 40%
📍 Caro, MI: #25 of 44 inventorsTop 60%
🗺 Michigan: #35,034 of 86,293 inventorsTop 45%
Overall (All Time): #2,308,152 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5100193 Under the rail liner with tabs Jerald Gower 1992-03-31
5007671 Under the rail liner with tabs — 1991-04-16