Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4893438 | Fan folded abrasive discs | Richard L. Fry, Russell J. Maland, James A. Weldon | 1990-01-16 |
GB
Gerald L. Bergsrud
Overall (All Time): #3,893,978 of 4,157,543Top 95%
1
Patents All Time