Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9824561 | Low power detection and alarm | Peter Brigham | 2017-11-21 |
| 9013317 | Optical smoke detector | Peter Brigham | 2015-04-21 |
| 8970387 | Smoke detector | Peter Brigham | 2015-03-03 |
| 8866083 | Alarm | Peter Brigham | 2014-10-21 |
| 8860573 | Alarm system | Nicholas Rutter | 2014-10-14 |
| 8653980 | Alarm for detecting radiation and/or air pollutants | Peter Brigham | 2014-02-18 |
| 8648730 | Alarm connectable to an external AC power supply for standby power and comprising battery | Nicholas Rutter | 2014-02-11 |
| 7482940 | Alarm for detecting radiation and pollutants | Nicholas Rutter | 2009-01-27 |
| 7262581 | Power supply | Nicholas Rutter | 2007-08-28 |