Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5679067 | Molded abrasive brush | David E. Johnson, Scott M. Mevissen, Richard M. Pihl, David C. Roeker | 1997-10-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5679067 | Molded abrasive brush | David E. Johnson, Scott M. Mevissen, Richard M. Pihl, David C. Roeker | 1997-10-21 |