Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6743085 | Rotating back up abrasive disc assembly | Peter J. Fritz, Robert G. Saunier | 2004-06-01 |
| 4969299 | Flap wheel | — | 1990-11-13 |
| 4872292 | Flap wheel | — | 1989-10-10 |
| 4839998 | Abrasive apparatus | — | 1989-06-20 |
| 4835912 | Abrasive wheel | — | 1989-06-06 |
| 4683683 | Abrasive material mounting structure | — | 1987-08-04 |
| 4655006 | Abrasive apparatus | — | 1987-04-07 |
| 4637170 | Abrasive apparatus | — | 1987-01-20 |
| 4439907 | Method of making an abrasive disc | Arthur F. Carlson | 1984-04-03 |
| 4439953 | Abrasive disc holder | Hiroshi Hasegawa | 1984-04-03 |
| 4285171 | Abrasive flap drum | Hiroshi Hasegawa | 1981-08-25 |