20 Utility and 3 Design Patents
#4 in Valencia, PA
#2,856 in Pennsylvania
#85,746 in US
#169,030 in the World
rank by utility patentsForward Citations = 128
Company Filing History:
Portec Rail Products, Inc.
Koppers Delaware, Inc.
L.b. Foster Rail Technologies, Corp.
4. 1 out of 832,575 patents
Other
5. 1 out of 1
Protec Rail Products, Inc.
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