Average Co-Inventor Count = 2.00
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. Tokheim Corporation (2 from 62 patents)
3 patents:
1. D264471 - Dual gasoline pump
2. D262970 - Quadruple gasoline pump
3. D262115 - Triple gasoline pump