Average Co-Inventor Count = 4.29
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. Rolm Company (6 from 43 patents)
6 patents:
1. D346599 - Telephone set
2. D345978 - Telephone set
3. D345979 - Telephone set
4. D340058 - Interface to a telephone set
5. D340059 - Interface to a telephone set
6. D340054 - Telephone set