Average Co-Inventor Count = 1.00
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. Protel, Inc. (3 from 24 patents)
3 patents:
1. D430149 - Handset cable plate for a pay telephone
2. D429712 - Front face bezel for a pay telephone
3. D429711 - Pay telephone