Average Co-Inventor Count = 2.80
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. Dutton-lainson Company (4 from 30 patents)
4 patents:
1. 10640343 - Winch assembly
2. D870598 - Cover for a jack handle assembly
3. D867713 - Cover for a winch assembly
4. D867714 - Cover for a winch assembly