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. Sports Step, Inc. (1 from 4 patents)
2. The Step Company (1 from 3 patents)
2 patents:
1. 5318489 - Adjustable stepping structure for aerobic exercises
2. 5158512 - Adjustable stepping structure for aerobic exercises