Average Co-Inventor Count = 3.27
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. American District Telegraph Company (3 from 91 patents)
3 patents:
1. D272433 - Control panel
2. D272435 - Control panel
3. D272436 - Control panel