Spencer Chase

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Garberville, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Addressable pneumatic valve system
- Patent number 7,247,778
- Issue date Jul 24, 2007
- Spencer Chase
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

Information Patent Application
Addressable pneumatic valve system
- Publication number 20050188811
- Publication date Sep 1, 2005
- Spencer Chase
- G10 - MUSICAL INSTRUMENTS ACOUSTICS