La Crescenta, California
United States
4
2010-03-11
The entities that hold a legal rights for patent applications filed by inventor Purvis Christopher:
Christopher Purvis from La Crescenta, US has applied for patents for these inventions. The list has both pending applications and granted patents:
System and method for providing location-based data on a wireless portable device
#2 | 2010-01-21System and method for providing location-based data on a wireless portable device
#3 | 2009-10-08Method and system for enabling a consumer of a media content to communicate with a producer
#4 | 2008-07-03Method and system for inputting and displaying commentary information with content
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