Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8806991 | Multi-bit tool having spring loaded actuation mechanisms and a rigid structural frame | — | 2014-08-19 |
| 8652016 | Collapsible and expandible exercise weight | — | 2014-02-18 |
| 8371394 | Impact mechanism | — | 2013-02-12 |
| 7588093 | Impact mechanism | Fern Beauchamp | 2009-09-15 |
| 7562606 | Multi-bit driver with removable and replaceable tool bits | Yiu Cheuk Guang, Christopher C. Wu | 2009-07-21 |