Average Co-Inventor Count = 4.00
ph-index = 1
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. (1 from 74 patents)
1 patent:
1. 4529071 - Ratcheting tool with improved cam shifter means