Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5089001 | Injection molding acupuncture acus with double safety device | — | 1992-02-18 |
| 4996856 | Structure of cylinder lock | Peir-Kuen Lin | 1991-03-05 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5089001 | Injection molding acupuncture acus with double safety device | — | 1992-02-18 |
| 4996856 | Structure of cylinder lock | Peir-Kuen Lin | 1991-03-05 |