Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5650766 | Wearable transmitter with optical tamper detection | — | 1997-07-22 |
| 5523740 | Wearable transmitter assembly | — | 1996-06-04 |
| 5077547 | Non contact programming for transmitter module | — | 1991-12-31 |
| 4821027 | Voice interactive security system | John Mallory, Gary Lennartz | 1989-04-11 |
| 4801924 | Transmitter programmer connect system | Gary Lennartz | 1989-01-31 |