Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Device to aid the orientation of blind and partially sighted people

Device to aid the orientation of blind and partially sighted people

US Patent 6489605 · Granted Dec 3, 2002

Assignee

No assignee recorded.

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Method and device for separating molecules having different excitation spectra2007
Orientation aid for the blind and the visually disabled2001
Orientation aid for the blind and the visually disabled2001
Orientation aid for the blind and the visually disabled2001
Modular dye laser1984
Nozzle for forming a free jet stream of a liquid, and its method of manufacture1984
Dye laser having a dye jet nozzle which forms a well-defined dye stream, and its1983