Average Co-Inventor Count = 3.00
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. Stamina Products, Inc. (3 from 57 patents)
3 patents:
1. D359325 - Physical exerciser
2. D354099 - Combined cross-country and slalom exercising machine
3. D345593 - Aerobic ski machine