John W. Gutmann

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Lilburn, GA, US

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Patents Grantslast 30 patents

Information Patent Grant
Systems and methods of braille transceiving
- Patent number 11,355,034
- Issue date Jun 7, 2022
- John Gutmann
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
System for storing and automatically retrieving recording discs
- Patent number 4,504,878
- Issue date Mar 12, 1985
- John W. Gutmann
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Systems and Methods of Braille Transceiving
- Publication number 20190279528
- Publication date Sep 12, 2019
- John Gutmann
- H04 - ELECTRIC COMMUNICATION TECHNIQUE