Anya R. Nanayakkara

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Boca Raton, FL, US

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Patents Grantslast 30 patents

Information Patent Grant
System for guiding the visually handicapped
- Patent number 6,867,697
- Issue date Mar 15, 2005
- Pravin L. Nanayakkara
- G08 - SIGNALLING

Patents Applicationslast 30 patents

Information Patent Application
System for Providing Assistance to the Visually Impaired
- Publication number 20160307561
- Publication date Oct 20, 2016
- Lakdas Nanayakkara
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
System for guiding the visually handicapped
- Publication number 20030184441
- Publication date Oct 2, 2003
- Pravin L. Nanayakkara
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE