Wu; Ka Shing
Patent Applications and Registrations
Patent applications and USPTO patent grants for Wu; Ka Shing.The latest application filed is for "uv liquid storage and dispensing device".
- Wu; Ka Shing - Kwun Tong HK
- Wu, Ka Shing - Hong Kong HK
| Patent | Date |
|---|---|
| UV liquid storage and dispensing device Grant 8,177,966 - Wu May 15, 2 | 2012-05-15 |
| UV liquid storage and dispensing device Grant 8,128,820 - Wu March 6, 2 | 2012-03-06 |
| Uv Liquid Storage And Dispensing Device App 20110084006 - Wu; Ka Shing | 2011-04-14 |
| UV liquid storage and dispensing device App 20100215552 - Wu; Ka Shing | 2010-08-26 |
| Electrical toothbrushes App 20030074751 - Wu, Ka Shing | 2003-04-24 |
| Electric toothbrush Grant 6,453,498 - Wu September 24, 2 | 2002-09-24 |
| Dental flosser Grant 5,931,170 - Wu August 3, 1 | 1999-08-03 |
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