Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5670957 | Methods for communicating with a telecommunications device for the deaf | Joe J. Lynn | 1997-09-23 | $473,000 |
| 5499285 | Automated telephone system with TDD capability | — | 1996-03-12 | $737,000 |
| 5481589 | Detection of TDD signals in an automated telephone system | — | 1996-01-02 | $736,000 |
| 5463684 | Telecommunications system for transferring calls without a private branch exchange | Alvin O. Parkinson, Thomas S. Urso, Jr. | 1995-10-31 | $631,000 |
| 5388146 | Automated telephone system using multiple languages | Joe J. Lynn | 1995-02-07 | $165,000 |
| 5125023 | Software switch for digitized audio signals | J. Graham Hartwell, Joe J. Lynn | 1992-06-23 | $284,000 |