Average Co-Inventor Count = 3.43
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. Keptel, Inc. (1 from 50 patents)
2. Bell Atlantic Corporation (1 from 12 patents)
2 patents:
1. D313417 - Telephone network interface apparatus
2. D313008 - Integral multiple transmission line interface terminal