| 8334787 |
Gas meter having ultra-sensitive magnetic material retrofitted onto meter dial and method for performing meter retrofit |
Willard Thomas Bushman, William Steven Vogel, Eric Michael Schoenman |
2012-12-18 |
| 6756906 |
Self-diagnostic smoke detector |
Brian Andrew Bernal, Kirk R. Johnson, Douglas H. Marman |
2004-06-29 |
| 6396405 |
Automatic verification of smoke detector operation within calibration limits |
Brian Andrew Bernal, Kirk R. Johnson, Douglas H. Marman |
2002-05-28 |
| 5936533 |
Method of automatic verification of smoke detector operation within calibration limits |
Brian Andrew Bernal, Kirk R. Johnson, Douglas H. Marman |
1999-08-10 |
| 5821866 |
Self-diagnosing smoke detector assembly |
Brian Andrew Bernal, Kirk R. Johnson, Douglas H. Marman |
1998-10-13 |
| 5777552 |
Curtain door alarm |
Scot R. Newport |
1998-07-07 |
| 5635887 |
Compact rare earth magnet security switch assembly |
Scot R. Newport |
1997-06-03 |
| 5546074 |
Smoke detector system with self-diagnostic capabilities and replaceable smoke intake canopy |
Brian Andrew Bernal, Kirk R. Johnson, Douglas H. Marman |
1996-08-13 |
| D361732 |
Smoke detector housing |
Kirk R. Johnson, Maki Myoga |
1995-08-29 |
| D359701 |
Smoke detector cover |
Kirk R. Johnson, Maki Myoga |
1995-06-27 |
| D279928 |
Fresnel spotlight |
Ira McNabb, Denis G. Wolfe |
1985-07-30 |