Average Co-Inventor Count = 2.40
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. Telex Communications, Inc. (2 from 67 patents)
2 patents:
1. D469770 - Headset signal converter pod
2. D468723 - Earphone headset