Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5689860 | Coupler for elongate article | Hiroshi Matoba, Yoshinobu Takahashi, Ryukichi Murai | 1997-11-25 |
| 5671514 | Swivel hook | Hiroshi Matoba | 1997-09-30 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5689860 | Coupler for elongate article | Hiroshi Matoba, Yoshinobu Takahashi, Ryukichi Murai | 1997-11-25 |
| 5671514 | Swivel hook | Hiroshi Matoba | 1997-09-30 |