42 Utility Patents
#3 in Butler, PA
#755 in Pennsylvania
#25,668 in US
#48,455 in the World
Forward Citations = 1,916
Company Filing History:
Gulf Research & Development Company
Chevron Research Company
4. 3 out of 2,340
Chevron U.s.a. Inc.
5. 1 out of 268
where one patent can have more than one assignee
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