Average Co-Inventor Count = 2.86
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. Gunderson, Inc. (2 from 84 patents)
2 patents:
1. 6431085 - Center beam car with depressed cargo-carrying area
2. 5794537 - Deck-edge hinge for loading bridge