Average Co-Inventor Count = 2.00
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. National Gypsum Company (2 from 155 patents)
2 patents:
1. 5323588 - Method of packaging aqueous slurries
2. 5183152 - Humectants in joint compound containers