Patent Leaderboard

USPTO Patent Rankings Data through Dec 31, 2025

Search Companies Inventors Cities States

Home › Marking instrument

Marking instrument

US Patent D332283 · Granted Jan 5, 1993

Assignee

No assignee recorded.

Inventors

Unknown

View full patent text on Google Patents →

More Patents by These Inventors

Tape dispenser1996

Vertical filing1995

Tone pattern applying instrument1995

Highlighting for photocopiers and facsimile machines1994

Highlighting for photocopiers and facsimile machines1992

Flight desk with indicators1991

Data from USPTO via PatentsView — © 2026 Patent Leaderboard

Last updated: Dec 31, 2025 · Updated quarterly