23 Utility Patents
#15 in State College, PA
#2,187 in Pennsylvania
#66,221 in US
#129,236 in the World
Forward Citations = 661
Company Filing History:
The Pennsylvania Research Corporation
4. 2 out of 1,194
Hoechst Celanese Corporation
5. 1 out of 191
where one patent can have more than one assignee
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