Average Co-Inventor Count = 4.00
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. Precision Rail and Mfg., Inc. (2 from 9 patents)
2 patents:
1. 10279791 - Systems for retarding the speed of a railcar
2. 9862368 - Systems for retarding the speed of a railcar