Patent Leaderboard

USPTO Patent Rankings Data through Dec 31, 2025

Search Companies Inventors Cities States

Home › Headrest

Headrest

US Patent 5904406 · Granted May 18, 1999

Assignee

No assignee recorded.

Inventors

John Stewart (7 patents)

View full patent text on Google Patents →

More Patents by These Inventors

Information retrieval system and method employing spatially selective features2010

Sleeping structure2006

Sleeping structure2006

Sleeping structure2004

Method and apparatus for reliable integrated circuit package construction1991

Postal scale1984

Data from USPTO via PatentsView — © 2026 Patent Leaderboard

Last updated: Dec 31, 2025 · Updated quarterly