Average Co-Inventor Count = 3.83
ph-index = 3
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. Bell Telephone Laboratories (3 from 2,714 patents)
3 patents:
1. D262286 - Enclosure for a mobile microphone-transmitter assembly
2. D257978 - Telephone set base enclosure
3. 4224482 - Mobile microphone-transmitter assembly