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Patent applications and USPTO patent grants for Yu; Cheng D..The latest application filed is for "video telephony dialing".
Patent | Date |
---|---|
Video telephony dialing Grant RE36,707 - Papanicolaou , et al. May 23, 2 | 2000-05-23 |
Bidirectional video telephony using shared channels on coaxial cable networks Grant 5,343,240 - Yu August 30, 1 | 1994-08-30 |
Bidirectional video telephony between cable television and switched telephone systems Grant 5,329,308 - Binns , et al. July 12, 1 | 1994-07-12 |
Video telephony dialing Grant 5,278,889 - Papanicolaou , et al. January 11, 1 | 1994-01-11 |
Lauryl alcohol as skin penetration enhancer for topical imidazole agents Grant 5,219,877 - Shah , et al. June 15, 1 | 1993-06-15 |
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