Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4862868 | Rotary dressing roller and method and apparatus for dressing cup-shaped grinding wheels | Harry Pedersen | 1989-09-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4862868 | Rotary dressing roller and method and apparatus for dressing cup-shaped grinding wheels | Harry Pedersen | 1989-09-05 |