Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4535539 | Folding knife with safety locking feature | Harry Friedman, Isao Sengoku, Yukiro Hattori | 1985-08-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4535539 | Folding knife with safety locking feature | Harry Friedman, Isao Sengoku, Yukiro Hattori | 1985-08-20 |