Patent Leaderboard

USPTO Patent Rankings Data through Dec 31, 2025

Search Companies Inventors Cities States

Home › Drawing compass

Drawing compass

US Patent 6427344 · Granted Aug 6, 2002

Assignee

No assignee recorded.

Inventors

Philip Forrest Smith (2 patents)
Unknown

View full patent text on Google Patents →

More Patents by These Inventors

Shower chair2018

Shower chair2018

Measuring stick2002

Data from USPTO via PatentsView — © 2026 Patent Leaderboard

Last updated: Dec 31, 2025 · Updated quarterly