R. Aspen Pittman

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Sylmar, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Emulated guitar loudspeaker
- Patent number 4,937,874
- Issue date Jun 26, 1990
- R. Aspen Pittman
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
High density headplate for a stringed instrument
- Patent number 4,840,102
- Issue date Jun 20, 1989
- R. Aspen Pittman
- G10 - MUSICAL INSTRUMENTS ACOUSTICS