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. Evans Products Company (1 from 33 patents)
2. Evanite Fiber Corporation (1 from 13 patents)
2 patents:
1. 5180647 - Battery separator and method of making same
2. 4113927 - Battery separator having coated ribs