Issued Patents All Time
Showing 1–25 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D751883 | Box cutter | Tien-Yu Huang | 2016-03-22 |
| 8997358 | Box cutter with retractable blade | — | 2015-04-07 |
| 8984994 | Connection unit for connecting saw blade to handle | — | 2015-03-24 |
| 8776385 | Blade adapter and hacksaw equipped with the blade adapter | — | 2014-07-15 |
| D668525 | Utility knife | — | 2012-10-09 |
| D668526 | Utility knife | — | 2012-10-09 |
| D640524 | Hand saw | — | 2011-06-28 |
| D618075 | Pipe cutter blade | — | 2010-06-22 |
| D612697 | Pipe cutter | — | 2010-03-30 |
| D612698 | Pipe cutter | — | 2010-03-30 |
| D607707 | Utility knife | — | 2010-01-12 |
| D596914 | Utility knife | — | 2009-07-28 |
| D592034 | Utility knife | — | 2009-05-12 |
| D583208 | Pipe cutter | — | 2008-12-23 |
| 7448136 | Utility knife | — | 2008-11-11 |
| D558555 | Utility knife | — | 2008-01-01 |
| D551532 | Saw frame | — | 2007-09-25 |
| D551049 | Saw frame | — | 2007-09-18 |
| D551048 | Saw frame | — | 2007-09-18 |
| D513473 | Saw frame | — | 2006-01-10 |
| 6729030 | Hacksaw having easily operated blade tension device | — | 2004-05-04 |
| D480939 | Hand grip for saw | — | 2003-10-21 |
| D475600 | Hacksaw frame | — | 2003-06-10 |
| D455061 | Utility knife | — | 2002-04-02 |
| 6243953 | Utility knife | — | 2001-06-12 |