Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7066058 | Spanner with sleeve having teeth and smooth portion | — | 2006-06-27 |
| 7055409 | Socket wrench for ratchet wheel sockets | — | 2006-06-06 |
| 7017451 | Locking structure of unidirectional spanner | — | 2006-03-28 |
| 7013737 | Removable twisting measuring device for various hand tools | — | 2006-03-21 |
| 7013762 | Handle tool | — | 2006-03-21 |
| 6952985 | Adjustable spanner | — | 2005-10-11 |
| 6940417 | Wrench with tension meters | — | 2005-09-06 |
| 6898999 | Sleeve with non-round connecting portion | — | 2005-05-31 |
| 6899600 | Wrench manufacturing process | — | 2005-05-31 |