Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6360828 | Retaining device for a power drill shaft | — | 2002-03-26 |
| 6309288 | Retarding mechanism for a grinding machine | — | 2001-10-30 |
| 6196076 | Knob switch device | — | 2001-03-06 |
| 6188554 | Protecting circuit of a charger without spark | — | 2001-02-13 |
| 6152242 | Screw button switch device | — | 2000-11-28 |
| 6110028 | Retarding device of a grinding machine | — | 2000-08-29 |
| 6086502 | Switching device of reduction gear set | — | 2000-07-11 |
| 6045303 | Rotatable torque adjusting device of rotation tool | — | 2000-04-04 |
| 6035947 | Primary shaft locking device of an electromotive tool | — | 2000-03-14 |
| D416181 | Circular saw | — | 1999-11-09 |
| D415297 | Car lamp | — | 1999-10-12 |
| D414885 | Car lamp | — | 1999-10-05 |
| D414572 | Car lamp | — | 1999-09-28 |
| D412273 | Grinding and graving machine | — | 1999-07-27 |
| D409467 | Electric drill | — | 1999-05-11 |
| D403565 | Electrical drill | — | 1999-01-05 |
| D396175 | Grinder | — | 1998-07-21 |
| D394594 | Grinding machine | — | 1998-05-26 |
| D389495 | Bandsaw | — | 1998-01-20 |
| D388441 | Scroll saw | — | 1997-12-30 |
| 5692828 | Garden lamp | — | 1997-12-02 |
| 5533843 | Electric hand drill set | — | 1996-07-09 |
| D365000 | Tree branch and leaf cutter | — | 1995-12-12 |
| 5451127 | Dual-function electrical hand drill | — | 1995-09-19 |