Average Co-Inventor Count = 2.67
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. Armstrong World Industries, Inc. (2 from 448 patents)
2 patents:
1. 4800041 - Suspensions of sheet silicate materials and products made therefrom
2. 4746403 - High temperature paper-like materials