Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Refreshable braille-cell display implemented with shape memory alloys

Refreshable braille-cell display implemented with shape memory alloys

US Patent 5685721 · Granted Nov 11, 1997

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Piezoceramic vibrotactile transducer based on pre-compressed arch1999
Integrated laser ablation deposition system1996