Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Compact rare earth magnet security switch assembly

Compact rare earth magnet security switch assembly

US Patent 5635887 · Granted Jun 3, 1997

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Gas meter having ultra-sensitive magnetic material retrofitted onto meter dial a2012
Self-diagnostic smoke detector2004
Automatic verification of smoke detector operation within calibration limits2002
Method of automatic verification of smoke detector operation within calibration 1999
Self-diagnosing smoke detector assembly1998
Curtain door alarm1998
Curtain door alarm1998
Smoke detector system with self-diagnostic capabilities and replaceable smoke in1996
Smoke detector housing1995
Smoke detector cover1995
Fresnel spotlight1985