Average Co-Inventor Count = 1.50
ph-index = 3
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. Other (1 from 832,891 patents)
2. Ontario Cripple Children's Centre (1 from 1 patent)
3. Variety Ability Systems Inc. (1 from 1 patent)
3 patents:
1. 5778460 - Auxiliary toilet seat
2. 5265931 - Detachable child seat and supporting frame
3. 5044629 - Wheelchair accessible weight training apparatus