Average Co-Inventor Count = 4.44
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. 5188876 - Surface covering with inorganic wear layer
2. 5077112 - Floor covering with inorganic wear layer