Average Co-Inventor Count = 4.61
ph-index = 1
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 Tools Corporation (2 from 157 patents)
2 patents:
1. D292893 - Timing light
2. 4503509 - Calibrator for timing meter