Average Co-Inventor Count = 1.33
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. Wham-o Inc. (2 from 23 patents)
2 patents:
1. 7503568 - Sled board with tracking bottom
2. D476921 - Foam snow board