Average Co-Inventor Count = 6.00
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. Learning Curve International Inc. (2 from 11 patents)
2 patents:
1. 6645031 - Playboard with collapsing easel
2. D477641 - Edges of supports for playboard with easel