Average Co-Inventor Count = 2.05
ph-index = 9
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. Amtel Communications, Inc. (7 from 9 patents)
2. American Tel-a-Systems, Inc. (2 from 18 patents)
3. Amtelco (2 from 2 patents)
4. Other (1 from 832,880 patents)
5. American Tel-a-System, Inc. (1 from 4 patents)
13 patents:
1. 7593962 - System and method for dynamically creating records
2. 5924803 - Data input device using combined numeric inputs to encode characters
3. 5521986 - Compact data input device
4. 4876711 - Series connected telephone service system
5. 4737980 - Computer data entry method and apparatus
6. 4727357 - Compact keyboard system
7. 4701950 - Telephone answering system with line detector
8. 4674116 - Telephone line concentrator without switching matrix
9. 4672660 - Method and system for identifying telephone callers
10. 4634811 - Call screening system
11. 4629831 - Series connected interceptor
12. 4401856 - Control system for handling direct inward dialed telephone calls
13. 4355207 - Telephone answering system