Patent Leaderboard

USPTO Patent Rankings Data through Dec 31, 2025

Search Companies Inventors Cities States

Home › Nasal mask

Nasal mask

US Patent D412745 · Granted Aug 10, 1999

Assignee

No assignee recorded.

Inventors

Rolf Scheu (2 patents)

View full patent text on Google Patents →

More Patents by These Inventors

Air vent foil cutter2009

Data from USPTO via PatentsView — © 2026 Patent Leaderboard

Last updated: Dec 31, 2025 · Updated quarterly