Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6874984 | Expansion bolt having internal spherical member and rear driving bolt | Kun-Min Chiu | 2005-04-05 |
| 6164708 | Adjustable safety and rapidly assembled connector | — | 2000-12-26 |
| 5868442 | Pipe joint fixing ring | — | 1999-02-09 |