Average Co-Inventor Count = 6.00
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. At&t Teletype Corporation (2 from 30 patents)
2 patents:
1. D289762 - Voice data communications terminal
2. D279902 - Printer cabinet