Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4915089 | Tool for trueing and dressing a grinding wheel and method of use | William W. Ruark, Glenn Alfred Johnson | 1990-04-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4915089 | Tool for trueing and dressing a grinding wheel and method of use | William W. Ruark, Glenn Alfred Johnson | 1990-04-10 |