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. American Telephone & Telegraph Co., At&t Bell Laboratories (1 from 745 patents)
1 patent:
1. 4763013 - Backup protection switch to prevent reverse power flow in a UPS