Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5257852 | Damper device for an automatic folding chair | Ken Tsuneki, Yojiro Nakayama | 1993-11-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5257852 | Damper device for an automatic folding chair | Ken Tsuneki, Yojiro Nakayama | 1993-11-02 |