Average Co-Inventor Count = 1.50
ph-index = 3
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. Bandag Incorporated (3 from 41 patents)
3 patents:
1. D420951 - Tire tread
2. D418457 - Tire tread
3. D417856 - Tire tread