Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Sanitation indicator

Sanitation indicator

US Patent 4353990 · Granted Oct 12, 1982

Estimated economic value: $9,809,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Method, device and computer software for determining a relative performance meas2025
Determining a position of a vehicle on a track2020
Determining the position of an object in a scene2019
Method, system and apparatus for providing improved audience participation2017
Camera movement correction apparatus, method and system2017
Method and apparatus and program2014
Dual temperature indicator1993
Fluid warmer1991
Device for visually indicating a pressure or temperature condition1988
Critical temperature indicator1984
Critical temperature indicator1984