Average Co-Inventor Count = 3.00
ph-index = 1
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. E.i. Dupont De Nemours and Company (1 from 16,338 patents)
2. Manville Corporation (1 from 151 patents)
1 patent:
1. 5236757 - Glass composite sheathing board having an air retarder and water barrier