Average Co-Inventor Count = 5.00
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. Easco Hand Tools, Inc. (2 from 75 patents)
2 patents:
1. 5199330 - Reversing ratchet wrench
2. 5178047 - Reversible ratchet wrench