Average Co-Inventor Count = 3.80
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. Fox Valley Instrument Company (4 from 7 patents)
2. Chicago Pneumatic Tool Company (1 from 101 patents)
5 patents:
1. D264192 - Electronic test meter housing
2. D264193 - Electronic test meter housing
3. D261115 - Timing light
4. D258274 - Timing light
5. D250084 - Pneumatic drill