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. Nynex Corporation (2 from 42 patents)
2 patents:
1. 4885774 - Bracket for armored cord
2. 4761809 - Coin return chute for telephone pay station