Average Co-Inventor Count = 4.44
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 (1 from 3,345 patents)
2. Bell Telephone Laboratories (1 from 2,714 patents)
2 patents:
1. 4518830 - Armored telephone cord with a longitudinal strength member
2. D265558 - Coin telephone set panel enclosure