Defond Manufacturing Limited
Patent Applications and Registrations
Patent applications and USPTO patent grants for Defond Manufacturing Limited.The latest application filed is for "power tool trigger assembly".
- Defond Manufacturing Limited - Chaiwan HK
- Defond Manufacturing Limited - Chai Wan HK
- Defond Manufacturing Limited - Hong Kong HK
- Defond Manufacturing Limited - Chai Wan Industrial Centre, 5th Floor 20 Lee Chu Chai Wan HK
- Defond Manufacturing Limited - 5th Floor Chai Wan Industrial Centre 20 Lee Chun Chai Wan HK
- Defond Manufacturing Limited - HK HK
- Defond Manufacturing Ltd. - Chai Wan HK
| Patent | Date |
|---|---|
| Electrical slide switch Grant 6,861,605 - Wong March 1, 2 | 2005-03-01 |
| Power tool trigger assembly Grant 6,794,594 - Ching September 21, 2 | 2004-09-21 |
| Electrical switch Grant 6,784,390 - Chu August 31, 2 | 2004-08-31 |
| Electrical switch assembly Grant 6,774,509 - Chu August 10, 2 | 2004-08-10 |
| Power supply module for electrical power tools Grant 6,765,317 - Chu July 20, 2 | 2004-07-20 |
| Power Tool Trigger Assembly App 20040134766 - Ching, Thomas Ka Wa | 2004-07-15 |
| Toroidal core for a toroid Grant 6,762,666 - Chu July 13, 2 | 2004-07-13 |
| Electrical switch Grant 6,759,608 - Chu July 6, 2 | 2004-07-06 |
| Electrical Slide Switch App 20040108190 - Wong, Kin Yu | 2004-06-10 |
| Power tool trigger control Grant 6,741,051 - Chu May 25, 2 | 2004-05-25 |
| Electrical switch Grant 6,710,277 - Wong March 23, 2 | 2004-03-23 |
| Power tool trigger control App 20040041531 - Chu, Raymond Wai Hang | 2004-03-04 |
| Electrical switch App 20040040827 - Chu, Raymond Wai Hang | 2004-03-04 |
| Electrical switch App 20040020752 - Chu, Raymond Wai Hang | 2004-02-05 |
| Toroidal core for a toroid App 20030210123 - Chu, Raymond Wai Hang | 2003-11-13 |
| Power supply module for electrical power tools App 20030184161 - Chu, Raymond Wai Hang | 2003-10-02 |
| Circuit breaker Grant 6,624,991 - Chu September 23, 2 | 2003-09-23 |
| Electrical switch Grant 6,605,787 - Chu August 12, 2 | 2003-08-12 |
| Electrical switch assembly App 20030141765 - Chu, Raymond Wai Hang | 2003-07-31 |
| Controller for motor driven device App 20030132725 - Cheung, Wai Kuen | 2003-07-17 |
| Illuminated rocker switch with resistor Grant 6,590,175 - Lam July 8, 2 | 2003-07-08 |
| Circuit breaker App 20030043004 - Chu, Raymond Wai Hang | 2003-03-06 |
| Power plug with circuit breaker Grant 6,340,926 - Chu January 22, 2 | 2002-01-22 |
| On-off switch with off position locking actuator Grant 6,274,828 - Chu August 14, 2 | 2001-08-14 |
| Electrical rocker switch Grant 6,130,393 - Chu October 10, 2 | 2000-10-10 |
| Electrical switch Grant 6,118,085 - Chu September 12, 2 | 2000-09-12 |
| Circuit breaker Grant 5,815,363 - Chu September 29, 1 | 1998-09-29 |
| Electrical switch Grant 5,810,109 - Chu September 22, 1 | 1998-09-22 |
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