| 6756906 |
Self-diagnostic smoke detector |
Robert Gerard Fischette, Kirk R. Johnson, Douglas H. Marman |
2004-06-29 |
| 6396405 |
Automatic verification of smoke detector operation within calibration limits |
Robert Gerard Fischette, Kirk R. Johnson, Douglas H. Marman |
2002-05-28 |
| 5936533 |
Method of automatic verification of smoke detector operation within calibration limits |
Robert Gerard Fischette, Kirk R. Johnson, Douglas H. Marman |
1999-08-10 |
| 5821866 |
Self-diagnosing smoke detector assembly |
Robert Gerard Fischette, Kirk R. Johnson, Douglas H. Marman |
1998-10-13 |
| 5798701 |
Self-adjusting smoke detector with self-diagnostic capabilities |
Daniel Croft, Kirk R. Johnson, Douglas H. Marman, Mark A. Peltier |
1998-08-25 |
| 5546074 |
Smoke detector system with self-diagnostic capabilities and replaceable smoke intake canopy |
Robert Gerard Fischette, Kirk R. Johnson, Douglas H. Marman |
1996-08-13 |