Average Co-Inventor Count = 1.60
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. (2 from 74 patents)
2. Hand Tool Design Corporation (2 from 50 patents)
4 patents:
1. 7658132 - Geared serpentine belt tool
2. 7159491 - Oil drain plug socket for a wrench assembly
3. 6732617 - Replaceable tool tip
4. 6082230 - Fuel filter cap tool