Average Co-Inventor Count = 1.33
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. American Telephone and Telegraph, Co. (1 from 386 patents)
2. At&t Technologies, Inc. (1 from 382 patents)
3. At&t Information Systems Inc. (1 from 243 patents)
2 patents:
1. 4902237 - Adaptor for surface mount and through-hole components
2. 4624302 - Apparatus for preheating printed circuit boards