Average Co-Inventor Count = 5.00
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. American Telephone and Telegraph, Co. (3 from 386 patents)
2. At&t Information Systems Inc. (3 from 243 patents)
3 patents:
1. D305538 - Communications workstation
2. D305537 - Communications workstation
3. D305423 - Communications workstation