Average Co-Inventor Count = 1.50
ph-index = 3
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. Spectradyne LLC (2 from 13 patents)
2. Strategic Telecom, Inc. (1 from 1 patent)
3 patents:
1. 5475740 - System for accessing and paying for amenities using a telephone
2. 5333181 - System for accessing amenities through a public telephone network
3. 5323448 - System for accessing amenities through a public telephone network