Average Co-Inventor Count = 1.00
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. The Anaconda Company (2 from 45 patents)
2 patents:
1. 4112261 - Key telephone system and method
2. 3973085 - Key telephone system with directly associated station cards and sets