David Longenbaugh

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Austin, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Human interface device with optical tube assembly
- Patent number 9,006,554
- Issue date Apr 14, 2015
- Effigy Labs
- Jody Roberts
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

Information Patent Application
Human Interface Device with Optical Tube Assembly
- Publication number 20140238221
- Publication date Aug 28, 2014
- Jody Roberts
- G10 - MUSICAL INSTRUMENTS ACOUSTICS