Average Co-Inventor Count = 5.14
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. Snap-on Inc. (3 from 750 patents)
3 patents:
1. D970999 - Impact wrench
2. D951736 - Impact wrench
3. D861450 - Electronic torque screwdriver