Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Portable lighting apparatus

Portable lighting apparatus

US Patent 4488209 · Granted Dec 11, 1984

Estimated economic value: $737,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Non-linear signalling device for vehicles1999
Remote control spotlight1996
Omindirectional modular siren1992
Light bar for an emergency vehicle1992
Non-linear signalling device for vehicles1992
Outdoor warning siren1989
Low drag warning system for emergency vehicles1987
Warning light system for emergency vehicles1986
Combined light and speaker housing for emergency vehicles1985
Siren1985
Method and apparatus for increasing effective light intensity of a rotating ligh1983
Flashing light warning system for vehicles1982