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. American Telephone and Telegraph Company; At&t Information Systems (2 from 26 patents)
2 patents:
1. D294500 - Telephone handset
2. D294496 - Telephone set or similar article