Tang; Wing Sum
Patent Applications and Registrations
Patent applications and USPTO patent grants for Tang; Wing Sum.The latest application filed is for "electric condiment grinder".
- Tang; Wing Sum - Hong Kong HK
- Tang; Wing Sum - Kowloon HK
- Tang; Wing Sum - Hunghom HK
- Tang; Wing Sum - Hunghon HK
| Patent | Date |
|---|---|
| Electric condiment grinder Grant 7,775,467 - Tang August 17, 2 | 2010-08-17 |
| Electric Condiment Grinder App 20100147982 - Tang; Wing Sum | 2010-06-17 |
| Electric dual condiment grinder Grant 7,708,220 - Tang May 4, 2 | 2010-05-04 |
| Dual condiment grinder Grant 7,637,447 - Tang December 29, 2 | 2009-12-29 |
| Battery pack Grant D601,493 - Tang October 6, 2 | 2009-10-06 |
| Dual Condiment Grinder App 20090057451 - Tang; Wing Sum | 2009-03-05 |
| Battery pack Grant D541,213 - Tang April 24, 2 | 2007-04-24 |
| Battery pack Grant D528,974 - Tang September 26, 2 | 2006-09-26 |
| Battery pack for combined electric pepper and salt mill Grant D528,503 - Tang September 19, 2 | 2006-09-19 |
| Battery pack Grant D528,070 - Tang September 12, 2 | 2006-09-12 |
| Condiment dispenser Grant 6,951,314 - Tang October 4, 2 | 2005-10-04 |
| Condiment dispenser App 20040129812 - Tang, Wing Sum | 2004-07-08 |
| Pepper grinder Grant D484,371 - Tang , et al. December 30, 2 | 2003-12-30 |
| Pepper grinder Grant D473,432 - Tang , et al. April 22, 2 | 2003-04-22 |
| Adjoining device App 20020110416 - Tang, Wing Sum ; et al. | 2002-08-15 |
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