Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Optical thread breakage monitoring apparatus

Optical thread breakage monitoring apparatus

US Patent 4691647 · Granted Sep 8, 1987

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Scanner for the detection of bar codes on articles1990
Adjustment device for aligning a group of cyclically switched light transmitters1981
Reading apparatus for reading colored markings applied to objects1981