JB

John L. Barry

3M: 2 patents #129 of 1,069Top 15%
📍 North St. Paul, MN: #2 of 17 inventorsTop 15%
🗺 Minnesota: #307 of 3,156 inventorsTop 10%
Overall (1997): #35,940 of 185,788Top 20%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5692949 Back-up pad for use with abrasive articles William F. Sheffield, David F. Slama 1997-12-02
5607345 Abrading apparatus Donald R. Bell, Jason A. Chesley, Harold E. Rude, William F. Sheffield, David F. Slama +1 more 1997-03-04