Average Co-Inventor Count = 1.04
ph-index = 8
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. Fortel, Inc. (8 from 23 patents)
2. T.a.d. Avanti, Inc. (5 from 24 patents)
13 patents:
1. D298618 - Telephone answering set
2. D296436 - Combination telephone and answering set
3. D296437 - Combination telephone and answering set
4. D293783 - Combination telephone and answering set
5. D293780 - Telephone answering unit
6. D293568 - Telephone answering unit
7. D290837 - Telephone answering machine
8. D286634 - Cordless handset and stand telephone unit
9. 4527209 - Cassette ejector mechanism
10. 4492828 - Slide selector switch
11. D272341 - Telephone answering unit
12. 4358646 - Slide selector switch
13. D266162 - Telephone answering unit