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Kevin Gong
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Belmont, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Trackball for a mobile device
Patent number
7,782,302
Issue date
Aug 24, 2010
Microsoft Corporation
Chunkwok Lee
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Trackball for a mobile device
Patent number
7,626,573
Issue date
Dec 1, 2009
Microsoft Corporation
Chunkwok Lee
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
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Patent Application
Trackball system and method for a mobile data processing device
Publication number
20080007571
Publication date
Jan 10, 2008
Chunkwok Lee
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Trackball system and method for a mobile data processing device
Publication number
20080007528
Publication date
Jan 10, 2008
Chunkwok Lee
G06 - COMPUTING CALCULATING COUNTING