Patent Leaderboard

USPTO Patent Rankings Data through Dec 31, 2025

Search Companies Inventors Cities States Inventor 500

Home › Coupler lock

Coupler lock

US Patent D350054 · Granted Aug 30, 1994

Assignee

Fulton Performance Products

Inventors

Karl E. Richter (5 patents)

View full patent text on Google Patents →

More Patents by These Inventors

Boat dock bumper1990

Trailer coupler with tamper resistant lock mechanism1988

Neutral winch1986

Trailer coupler1985

Data from USPTO via PatentsView — About — Embed & Press Kit — © 2026 Patent Leaderboard

Last updated: Dec 31, 2025 · Updated quarterly