Patent Leaderboard

USPTO Patent Rankings Data through Dec 31, 2025

Search Companies Inventors Cities States

Home › Hand held glass cutter

Hand held glass cutter

US Patent 4327488 · Granted May 4, 1982

Assignee

Red Devil

Inventors

Peter F. Connolly (10 patents)

View full patent text on Google Patents →

More Patents by These Inventors

Dispenser with center opening covers2006

Octagon dispenser with bevel2006

Octagon shaped dispenser2006

Bill clip-on, tilt-up sunglasses1996

Mounting bracket for venetian blinds1989

Adjustable lamp1988

Metal/air batteries1986

Glass cutting tool1982

Covered food bowl1981

Data from USPTO via PatentsView — © 2026 Patent Leaderboard

Last updated: Dec 31, 2025 · Updated quarterly