Average Co-Inventor Count = 4.00
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. Johns Manville (2 from 1,012 patents)
2 patents:
1. 4129674 - Fibrous mat especially suitable for roofing products and a method of
2. 4112174 - Fibrous mat especially suitable for roofing products