Average Co-Inventor Count = 1.50
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. Guardian Products, Inc. (2 from 26 patents)
2 patents:
1. 5433235 - Foldable and lockable walker
2. 5299589 - Orthopedic crutch with adjustable hand grip