Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D972921 | Rope hook | Ti-An Chih | 2022-12-20 |
| 11118654 | Apparatus for timely and securely locking and releasing a rope | Ti-An Chih | 2021-09-14 |
| 11118655 | Assembling structure for timely and securely locking and releasing a rope | Ti-An Chih | 2021-09-14 |