5 Utility Patents
#158 in State College, PA
#14,493 in Pennsylvania
#385,311 in US
#798,777 in the World
Forward Citations = 43
Company Filing History:

Carbo Ceramics Inc.
The Pennsylvania Research Corporation
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#158 in State College, PA
#14,493 in Pennsylvania
#385,311 in US
#798,777 in the World
Company Filing History:

Get your Inventor Badge Today