Average Co-Inventor Count = 3.00
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. Zoom Telephonics, Inc. (3 from 16 patents)
3 patents:
1. D271762 - Telephone switch-connector assembly
2. D271302 - Telephone switch-connector device
3. D271301 - Telephone switch-connector unit