JD

Joseph O. Duchac

📍 Rhinelander, WI: #17 of 60 inventorsTop 30%
🗺 Wisconsin: #17,084 of 40,088 inventorsTop 45%
Overall (All Time): #2,362,673 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4388846 Fixture for resurfacing vehicle brake discs William L. Kopecko, Robert L. Fuller, Jr. 1983-06-21
4336730 Fixture for resurfacing vehicle brake discs William L. Kopecko, Robert L. Fuller, Jr. 1982-06-29