Average Co-Inventor Count = 3.00
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 Wireless Services, Inc. (2 from 215 patents)
2 patents:
1. 6584317 - Concurrent ringing on multiple network telephones
2. 6405041 - Concurrent ringing on multiple network telephones