Average Co-Inventor Count = 3.00
ph-index = 2
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. Progress Rail Services Corporation (2 from 119 patents)
2 patents:
1. 7472837 - System, method, and apparatus for railroad guide rail support
2. 7467748 - System, method, and apparatus for railroad guide rail support