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last 30 patents
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Patent Grant
Tri-state delta codec method and system
Patent number
7,098,816
Issue date
Aug 29, 2006
Rich-Tech HK Limited
Yu Chau Ng
H03 - BASIC ELECTRONIC CIRCUITRY
Patents Applications
last 30 patents
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Patent Application
TRI-STATE DELTA CODEC METHOD AND SYSTEM
Publication number
20050275574
Publication date
Dec 15, 2005
RICH-TECH HK LIMITED
Yu Chau Ng
H03 - BASIC ELECTRONIC CIRCUITRY