Liu; Frank Kung Fu
Patent Applications and Registrations
Patent applications and USPTO patent grants for Liu; Frank Kung Fu.The latest application filed is for "wireless node multiple handset cordless telephone system".
- Liu; Frank Kung Fu - Diamond Bar CA
| Patent | Date |
|---|---|
| Wireless air tube headset Grant 8,170,262 - Liu May 1, 2 | 2012-05-01 |
| Cordless and wireless facsimile and method Grant 7,653,403 - Liu January 26, 2 | 2010-01-26 |
| Digital audio file reproduction system and method with wireless transfer capability Grant 7,406,294 - Liu July 29, 2 | 2008-07-29 |
| Cordless security system and method Grant 7,174,176 - Liu February 6, 2 | 2007-02-06 |
| Wireless node multiple handset cordless telephone system Grant 7,146,180 - Liu December 5, 2 | 2006-12-05 |
| Wireless node multiple handset cordless telephone system Grant 7,010,311 - Liu March 7, 2 | 2006-03-07 |
| Wireless node multiple handset cordless telephone system App 20040242244 - Liu, Frank Kung Fu | 2004-12-02 |
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