Average Co-Inventor Count = 3.00
ph-index = 1
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 Intellectual Property I, LP (2 from 16,508 patents)
2 patents:
1. 8811573 - Method and system for verifying the status of 911 emergency telephone services
2. 8208606 - Method and system for verifying the status of 911 emergency telephone services