Patent Leaderboard

USPTO Patent Rankings Data through Dec 31, 2025

Search Companies Inventors Cities States

Home › Spectacles

Spectacles

US Patent D357931 · Granted May 2, 1995

Assignee

No assignee recorded.

Inventors

Unknown

View full patent text on Google Patents →

More Patents by These Inventors

Computer-controlled compounding extrusion blending apparatus and method2006

Software-driven motor and solenoid controller2004

Tile sign method2003

Software-driven motor and solenoid controller2002

Data from USPTO via PatentsView — © 2026 Patent Leaderboard

Last updated: Dec 31, 2025 · Updated quarterly