Alameda, California
United States
3
2014-02-06
The entities that hold a legal rights for patent applications filed by inventor Johnson Kenneth David:
Kenneth David Johnson from Alameda, US has applied for patents for these inventions. The list has both pending applications and granted patents:
MULTIPLE INTERACTIVE ELECTRONIC PROGRAM GUIDE SYSTEM AND METHODS
#2 | 2008-06-05MULTIPLE INTERACTIVE ELECTRONIC PROGRAM GUIDE SYSTEM AND METHODS
#3 | 2005-11-10Multiple interactive electronic program guide system and methods
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