Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4860497 | Drill grinder having drill holder including chucks for gripping shank and body of the drill | Tetsuro Harada | 1989-08-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4860497 | Drill grinder having drill holder including chucks for gripping shank and body of the drill | Tetsuro Harada | 1989-08-29 |