Issued Patents All Time
Showing 51–58 of 58 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7069818 | Ratchet wrench | — | 2006-07-04 |
| 7047843 | Tool coupling device | — | 2006-05-23 |
| 6568301 | Adjustable wrench | — | 2003-05-27 |
| 6543315 | Ratchet structure of screwdriver | — | 2003-04-08 |
| 6523439 | Ratchet structure of a screwdriver | — | 2003-02-25 |
| 6345555 | Reversible adjustable wrench | — | 2002-02-12 |
| 6336384 | Adjustable wrench | — | 2002-01-08 |
| 6089129 | Adjustable wrench | — | 2000-07-18 |