Average Co-Inventor Count = 2.67
ph-index = 2
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. (1 from 9 patents)
2. American Tel-a-system, Inc. (1 from 4 patents)
2 patents:
1. 6141413 - Telephone number/Web page look-up apparatus and method
2. 4727357 - Compact keyboard system