Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6163963 | Utility knife | — | 2000-12-26 |
| 6134791 | Hacksaw having blade tension adjusting mechanism | — | 2000-10-24 |
| D413783 | Knife | — | 1999-09-14 |
| 5950311 | Knife having an easily assembling structure | — | 1999-09-14 |
| D411430 | Utility knife | — | 1999-06-22 |
| 5875551 | Utility knife | — | 1999-03-02 |
| 5722173 | Saw blade adjusting mechanism | — | 1998-03-03 |
| D377746 | Handle for tools | — | 1997-02-04 |
| 5435062 | Artwork designing gravity knife having a built-in blade box | — | 1995-07-25 |