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. Pierce Companies, Inc. (2 from 11 patents)
2 patents:
1. 5518217 - Stackable presentation board with collapsible legs and pad holder
2. D344637 - Collapsible display easel