Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8991687 | Mailbox indicator | — | 2015-03-31 |
| 8684178 | Storage and dispensing system | — | 2014-04-01 |
| 5168273 | Sequential analog/digital data multiplexing system and method | — | 1992-12-01 |
| 5126684 | Digital power amplifier | — | 1992-06-30 |
| 4646065 | Fault-tolerant control system | — | 1987-02-24 |
| 4401978 | Combination detector | — | 1983-08-30 |
| 4327289 | Ionization detector calibration | — | 1982-04-27 |
| 4300133 | Smoke detector | — | 1981-11-10 |
| 4280052 | Multiple chamber ionization detector | — | 1981-07-21 |