Average Co-Inventor Count = 2.64
ph-index = 13
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. Intellicall, Inc. (17 from 23 patents)
2. First City, Texas-Dallas (3 from 3 patents)
3. Michael R. Rice (0 patent)
4. Lindsey D. Owen (0 patent)
5. John a. Hird (0 patent)
6. New First City, Texas-Dallas, N.a. (0 patent)
7. First Interstate Bank of Texas, N.a. (0 patent)
8. Wireless Webconnect!, Inc. (0 patent)
20 patents:
1. 5960072 - Method and apparatus for altering the access format of telephone calls
2. 5513738 - Coin handling system
3. 5483581 - Method and apparatus for performing an automated collect call
4. 5441138 - Coin handling system with an improved coin chute
5. 5400400 - Pay telephone architecture
6. 5388680 - Coin handling system with an improved coin chute
7. 5367561 - Cash access system and method of operation
8. 5319701 - Method and apparatus for performing an automated collect call
9. D342251 - Pay telephone unit
10. 5255770 - Coin handling system
11. 5131027 - Short time validity storage
12. 5113433 - Method and apparatus for altering the access format of telephone calls
13. 5093858 - Method and apparatus for performing an automated collect call
14. 5090548 - Coin handling system
15. 4933966 - Method and apparatus for performing an automated collect call