Issued Patents All Time
Showing 26–26 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4331323 | Electric winch system | Hiromichi Shigenobu | 1982-05-25 |
Showing 26–26 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4331323 | Electric winch system | Hiromichi Shigenobu | 1982-05-25 |