Average Co-Inventor Count = 5.00
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. Estwing Manufacturing Company, Inc. (3 from 25 patents)
3 patents:
1. 7404346 - Striking tool with weight forward head
2. 6976406 - Striking tool with weight forward head
3. 6647829 - Striking tool with weight forward head