David Baker

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Portland, OR, US

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Patents Grantslast 30 patents

Information Patent Grant
Screen reader having concurrent communication of non-textual inform...
- Patent number 9,263,026
- Issue date Feb 16, 2016
- Freedom Scientific, Inc.
- Christian D. Hofstader
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Screen reader having concurrent communication of non-textual inform...
- Patent number 8,826,137
- Issue date Sep 2, 2014
- Freedom Scientific, Inc.
- Christian D. Hofstader
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Document placemarker
- Patent number 6,993,707
- Issue date Jan 31, 2006
- Freedom Scientific, Inc.
- David Baker
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
SCREEN READER HAVING CONCURRENT COMMUNICATION OF NON-TEXTUAL INFORM...
- Publication number 20140324438
- Publication date Oct 30, 2014
- Christian D. Hofstader
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
Screen reader having concurrent communication of non-textual inform...
- Publication number 20050071165
- Publication date Mar 31, 2005
- Christian D. Hofstader
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Document placemarker
- Publication number 20050034063
- Publication date Feb 10, 2005
- Freedom Scientific, Inc.
- David Baker
- G06 - COMPUTING CALCULATING COUNTING