Average Co-Inventor Count = 1.00
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. Welch Products, Inc. (3 from 6 patents)
3 patents:
1. D541439 - antivegetation post collar
2. D540955 - Antivegetation post collar
3. D540956 - Antivegetation post collar