Average Co-Inventor Count = 3.16
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. Teletype Corporation (2 from 132 patents)
2. At&t Teletype Corporation (1 from 30 patents)
3 patents:
1. D295976 - Multifunction communication controller
2. 4244083 - Cable clamp
3. D247643 - Teleprinter console