Average Co-Inventor Count = 3.43
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. Nordco Inc. (2 from 74 patents)
2 patents:
1. 9938669 - Roadworthy rail ballast regulator
2. D710757 - Notched finger for use on a rail plate inserter machine