Average Co-Inventor Count = 2.67
ph-index = 2
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. (4 from 750 patents)
4 patents:
1. D1041280 - Drill housing
2. D1025730 - Ratchet with housing
3. 11951606 - Handle and tool with integrated handle mount
4. D976074 - Ratchet housing