DR

David C. Roeker

3M: 1 patents #132 of 563Top 25%
📍 Hudson, WI: #5 of 18 inventorsTop 30%
🗺 Wisconsin: #325 of 1,637 inventorsTop 20%
Overall (1989): #121,895 of 140,708Top 90%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4844967 Back up pad with drive adapter and offset passageways Edwin A. Goralski 1989-07-04