Average Co-Inventor Count = 2.00
ph-index = 4
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. David Clark Company, Inc. (4 from 43 patents)
4 patents:
1. D398309 - Headset
2. D391575 - Headset earcup
3. 5185807 - Headset with multi-position stirrup assemblies
4. D322071 - Headphone