Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Refrigerator door usage monitor and display system

Refrigerator door usage monitor and display system

US Patent 4463348 · Granted Jul 31, 1984

Estimated economic value: $5,136,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Air conditioning thermostatic control system having modular inclusion of remote 1984
Air conditioning control system with user power up mode selection1983
Central desk air conditioning control system1983
Air conditioning apparatus1983
Humidity sensor1980