Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4752304 | Blade stropping apparatus | Ivan E. Hills | 1988-06-21 |
| 4685564 | Blade-holder magazine | Ivan E. Hills | 1987-08-11 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4752304 | Blade stropping apparatus | Ivan E. Hills | 1988-06-21 |
| 4685564 | Blade-holder magazine | Ivan E. Hills | 1987-08-11 |