Average Co-Inventor Count = 1.00
ph-index = 4
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. Lea Way Hand Tool Corporation (4 from 27 patents)
4 patents:
1. D559054 - Reversible ratcheting wrench
2. D558006 - Gear of a wrench
3. D551924 - Gear of a wrench
4. D551042 - Two-way wrench