Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8342062 | Multi-angle hand tool | Tsai-Ching Chen | 2013-01-01 |
| 7866235 | Multi-angle tool handle | — | 2011-01-11 |
| 7698972 | Multi-angle tool handle | — | 2010-04-20 |
| D603677 | Hand tool | — | 2009-11-10 |