Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4821027 | Voice interactive security system | John Mallory, Thomas A. D. Burgmann | 1989-04-11 |
| 4801924 | Transmitter programmer connect system | Thomas A. D. Burgmann | 1989-01-31 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4821027 | Voice interactive security system | John Mallory, Thomas A. D. Burgmann | 1989-04-11 |
| 4801924 | Transmitter programmer connect system | Thomas A. D. Burgmann | 1989-01-31 |