Patent Leaderboard

USPTO Patent Rankings Data through Dec 31, 2025

Search Companies Inventors Cities States

Home › Retractable umbrella

Retractable umbrella

US Patent 6273111 · Granted Aug 14, 2001

Assignee

No assignee recorded.

Inventors

Unknown
Unknown

View full patent text on Google Patents →

More Patents by These Inventors

Modular construction for wind turbine blade2011

Wind turbine1995

Data from USPTO via PatentsView — © 2026 Patent Leaderboard

Last updated: Dec 31, 2025 · Updated quarterly