Average Co-Inventor Count = 2.40
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. Holland Company LP (2 from 46 patents)
2 patents:
1. 6206214 - Non-metallic coupler carrier wear plate for a railcar
2. 6068146 - Universal coupler carrier wear plate