59 Utility and 3 Design Patents
#2 in La Canada-Flintridge, CA
#4,835 in California
#14,871 in US
#27,768 in the World
rank by utility patentsForward Citations = 6,136
Company Filing History:
Gemstar Development Corporation
Index Systems, Inc.
Other
4. 3 out of 17
E Guide, Inc.
5. 1 out of 320
United Video Properties, Inc.
where one patent can have more than one assignee
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