Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Tri-state function indicator

Tri-state function indicator

US Patent 4837565 · Granted Jun 6, 1989

Estimated economic value: $14,511,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Press-connect fitting with improved grab ring function2013
Communication protocol1989
D.C. power monitor1989