Average Co-Inventor Count = 4.50
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 Bell Laboratories (2 from 3,345 patents)
2. At+t Corp. (1 from 4,208 patents)
3 patents:
1. D365821 - Personal information center telephone set
2. D344515 - Telephone base
3. D344514 - Telephone handset