Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5588766 | Ascending/descending structure | — | 1996-12-31 |
| 5556170 | Sleeve structure of an office chair | Kuan-Jen Lin | 1996-09-17 |
| 5451024 | Height adjusting mechanism for a swivel chair | — | 1995-09-19 |
| 5435626 | Armrest-adjusting mechanism | — | 1995-07-25 |