Raul Rojas

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Berlin, DE

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Patents Grantslast 30 patents

Information Patent Grant
Reading device for blind or visually impaired persons
- Patent number 8,113,841
- Issue date Feb 14, 2012
- Beyo GmbH
- Raul Rojas
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

Information Patent Application
Reading Device for Blind or Visually Impaired Persons
- Publication number 20090186321
- Publication date Jul 23, 2009
- Beyo GmgH
- Raul Rojas
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS