Patent Leaderboard

USPTO Patent Rankings Data through Dec 31, 2025

Search Companies Inventors Cities States

Home › Ink stamp

Ink stamp

US Patent D375117 · Granted Oct 29, 1996

Assignee

No assignee recorded.

Inventors

Richard J. Keohan (6 patents)

View full patent text on Google Patents →

More Patents by These Inventors

Sheet of clips1995

Electrosurgical generator unit1994

Carrying case for plumbing tools and equipment1983

Disc container1981

Data from USPTO via PatentsView — © 2026 Patent Leaderboard

Last updated: Dec 31, 2025 · Updated quarterly