Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Quiet alarm clock

Quiet alarm clock

US Patent 4920525 · Granted Apr 24, 1990

Assignee

No assignee recorded.

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Vehicle safety system1999
Occupant and infant seat detection in a vehicle supplemental restraint system1997
Vehicle safety restraint system with linear output impact sensor1997
Occupant and infant seat detection in a vehicle supplemental restraint system1996
Impact sensor for vehicle safety restraint system1996
Impact sensor for vehicle safety restraint system1995
Battery charge monitor1994
Automatic vehicle headlight/taillight control1993
Impact sensor for vehicle safety restraint system1993
Modular, electrical relay, and a coil and plunger assembly and a contact and ter1993
Pneumatic solenoid valve1990
Enclosed electromagnetic relay1988