Patent Leaderboard

USPTO Patent Rankings Data through Dec 31, 2025

Search Companies Inventors Cities States

Home › Flange lock

Flange lock

US Patent 4541256 · Granted Sep 17, 1985

Assignee

No assignee recorded.

Inventors

John Green (4 patents)

View full patent text on Google Patents →

More Patents by These Inventors

Adjustable additive delivery systems and dispensing closure valves for the same2024

Percutaneous system for dynamic spinal stabilization2016

Vented storm door1996

Data from USPTO via PatentsView — © 2026 Patent Leaderboard

Last updated: Dec 31, 2025 · Updated quarterly