Average Co-Inventor Count = 1.00
ph-index = 7
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. Inter-tel, Inc. (9 from 34 patents)
2. Inter-tel (delaware), Inc (1 from 2 patents)
10 patents:
1. D557249 - Communication endpoint
2. D529892 - Hybrid voice communication system
3. D499724 - Telephone handset
4. D489049 - Telephone
5. D483749 - Telephone dialing accessory
6. D483750 - Telephone dialing accessory
7. D482342 - Telephone
8. D479517 - Telephone
9. D476969 - Telephone
10. D470830 - Telephone