Electronic autorouting navigation system for visually impaired persons

University of Texas System

University: University of Texas System
Assignee: Board Of Regents The University Of Texas System
Inventor: Michael B. Hancock
Priority date: August 19, 1996
Filing date: August 19, 1996
Grant date: September 08, 1998
Publication date: September 08, 1998
Language: en
PDF source: https://patentimages.storage.googleapis.com/b3/77/96/0dc2c517c1e888/US5806017.pdf
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