48 Utility Patents
#6 in Chester Springs, PA
#628 in Pennsylvania
#22,015 in US
#41,437 in the World
Forward Citations = 872
Company Filing History:

Rovl Guides, Inc.

4. 1 out of 2,315

5. 1 out of 320
United Video Properties, Inc.
where one patent can have more than one assignee
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