Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5805570 | Method of simulating an | James Fields | 1998-09-08 |
| 5259800 | Microprocessor controlled system for testing and selectively reconditioning a CRT | Mark E. Stamos, Lawrence T. Pena | 1993-11-09 |
| 5007077 | Coin telephone message and management system | Mark E. Stamos, Lawrence T. Pena | 1991-04-09 |
| 4839916 | Telephone toll integrity checking system | Mark E. Stamos | 1989-06-13 |
| 4728948 | Remote monitor and control system | — | 1988-03-01 |
| 4633042 | Electronic micro-controller conversion module for step by step switching apparatus | Mark E. Stamos | 1986-12-30 |
| 4520234 | Remote cable switching system | Gary E. Long | 1985-05-28 |
| 4434328 | Remotely actuated telephone instrument connection block having instrument lockout feature | — | 1984-02-28 |