Average Co-Inventor Count = 3.00
ph-index = 11
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. (11 from 23 patents)
2. First City, Texas-Dallas (1 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)
12 patents:
1. 5960072 - Method and apparatus for altering the access format of telephone calls
2. 5483581 - Method and apparatus for performing an automated collect call
3. 5319701 - Method and apparatus for performing an automated collect call
4. 5131027 - Short time validity storage
5. 5113433 - Method and apparatus for altering the access format of telephone calls
6. 5093858 - Method and apparatus for performing an automated collect call
7. 4933966 - Method and apparatus for performing an automated collect call
8. 4933965 - Short time validity storage of a billing account number at a local
9. 4920562 - Automatic generation of billing records at a telephone paystation
10. 4920558 - Method and apparatus for downloading speech files
11. 4908852 - Method and apparatus for altering the access format of telephone calls
12. 4890317 - Automatic validation of telephone account numbers