Patent Leaderboard

USPTO Patent Rankings Data through Dec 31, 2025

Search Companies Inventors Cities States

Home › Matrix element

Matrix element

US Patent 4277994 · Granted Jul 14, 1981

Assignee

No assignee recorded.

Inventors

Unknown

View full patent text on Google Patents →

More Patents by These Inventors

Rotary bending, particularly for press brakes1985

Rotary bending and forming devices1984

Bending and forming tool1983

Key type connector and bearing device1982

Connector and bearing devices1980

Data from USPTO via PatentsView — © 2026 Patent Leaderboard

Last updated: Dec 31, 2025 · Updated quarterly