David Steffens

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Oklahoma City, OK, US

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Patents Grantslast 30 patents

Information Patent Grant
Harp stand and methods of use thereof
- Patent number 8,461,438
- Issue date Jun 11, 2013
- Gaye LeBlanc
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Harp stand and methods of use thereof
- Patent number 7,994,407
- Issue date Aug 9, 2011
- Gaye LeBlanc
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

Information Patent Application
HARP STAND AND METHODS OF USE THEREOF
- Publication number 20110290095
- Publication date Dec 1, 2011
- Gaye LeBlanc
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
HARP STAND AND METHODS OF USE THEREOF
- Publication number 20110107896
- Publication date May 12, 2011
- Gaye LeBlanc
- G10 - MUSICAL INSTRUMENTS ACOUSTICS