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. Test Rite Product Corp. (2 from 3 patents)
2 patents:
1. 10040188 - Ratchet handle having an extension member
2. D778698 - Ratchet handle having a removable extension member