Average Co-Inventor Count = 1.33
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. Easco Hand Tools, Inc. (1 from 74 patents)
2. Ab Carter Inc. (1 from 9 patents)
3. Easco Corporation (1 from 8 patents)
3 patents:
1. 5086615 - Coated spinning rings and travelers
2. 4597478 - Ratcheting tool with improved support for driven shank
3. 4529071 - Ratcheting tool with improved cam shifter means