Average Co-Inventor Count = 1.33
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. Bettcher Industries, Inc. (2 from 137 patents)
2 patents:
1. 5070540 - Protective garment
2. 5023953 - Garment and protective sleeve