RS

Russell E. DuBois, Sr.

📍 Clawson, MI: #56 of 224 inventorsTop 25%
🗺 Michigan: #27,158 of 86,293 inventorsTop 35%
Overall (All Time): #1,676,052 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4676003 Interchangeable spacer gauge — 1987-06-30
4402449 Method of making an expandable mandrel having a thin cylindrical sleeve and a pair of thick wall arcular ends — 1983-09-06
4366735 Workpiece holding device — 1983-01-04