Patent Leaderboard

USPTO Patent Rankings Data through Dec 31, 2025

Search Companies Inventors Cities States

Home › Rest rooms

Rest rooms

US Patent 4233692 · Granted Nov 18, 1980

Assignee

No assignee recorded.

Inventors

Unknown

View full patent text on Google Patents →

More Patents by These Inventors

Method and apparatus for supplying contactless power2003

Data from USPTO via PatentsView — © 2026 Patent Leaderboard

Last updated: Dec 31, 2025 · Updated quarterly