Average Co-Inventor Count = 5.00
ph-index = 1
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. L.b. Foster Rail Technologies, Corp. (1 from 18 patents)
2. Koppers Delaware, Inc. (17 patents)
1 patent:
1. 9022173 - Grease guide