Average Co-Inventor Count = 1.11
ph-index = 5
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 Telecommunications (4 from 12 patents)
2. Comdial Consumer Communications Corporation (1 from 1 patent)
5 patents:
1. D284572 - Telephone apparatus
2. D278433 - Telephone
3. D273491 - Telephone
4. D250023 - Animated telephone
5. D243096 - Telephone