Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6775696 | Systems and methods for collecting and providing call traffic information to end-users | — | 2004-08-10 |
| 6430174 | Communication system supporting simultaneous voice and multimedia communications and method of operation therefore | Darrell L. Jennings | 2002-08-06 |
| 6078650 | Telephone system integrated text based communication processes to enhance access for TDD and/or TTY devices | — | 2000-06-20 |
| 6002749 | Telephone system integrated text based communication apparatus and systems to establish communication links to TDD and/or TTY devices and other telephone and text server systems | Darrell L. Jennings | 1999-12-14 |
| 5943395 | Telephone apparatus, systems, and processes to enhance access for TDD and/or TTY devices | — | 1999-08-24 |
| 5940475 | Telephone system integrated text based communication apparatus and system to enhance access for TDD and/or TTY devices | — | 1999-08-17 |
| 5933476 | TTY telephone display and related processes systems and apparatus | Robert Jason Bonner | 1999-08-03 |
| 4268945 | Method of assemblying a sealed structure | William L. Van Arman, Russell A. Kambs, Steven G. Ivankovics, Thomas M. Julow | 1981-05-26 |