Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10386226 | Infrared safety beam system | Geoffrey M. Engelstein, David John Salgueiro, Mohamed Abdelhafez, Andrew Lindsay | 2019-08-20 |
| 7822349 | Digital iterative gain control | Philipp Roosli, Hazrat Shah | 2010-10-26 |
| 6995670 | Control system with capacitive detector | David Wadlow, Frank Scholten, Kenneth B. Gerenraich | 2006-02-07 |
| 6731209 | Control system with capacitive detector | David Wadlow, Frank Scholten, Kenneth B. Gerenraich | 2004-05-04 |
| 5625980 | Garage door opener with remote safety sensors | Oren Teich, Vijay Tandon, Rudor M. Teich | 1997-05-06 |
| 4827247 | Self-compensating projected-beam smoke detector | — | 1989-05-02 |
| 4823015 | Electrical interference free projected beam smoke detector | Aaron A. Galvin, Douglas L. Mason, Kenneth J. Leff, John N. Schide | 1989-04-18 |
| 4749871 | Self-diagnostic projected-beam smoke detector | Aaron A. Galvin, Douglas L. Mason, Kenneth J. Leff, John N. Schide | 1988-06-07 |
| 4687924 | Modular transceiver with adjustable specular member | Aaron A. Galvin, Douglas L. Mason, Kenneth J. Leff, John N. Schide | 1987-08-18 |