Robert R. Spencer

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Kalispell, MT, US

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Patents Grantslast 30 patents

Information Patent Grant
Musical instrument actuators and methods for actuating a musical in...
- Patent number 9,870,761
- Issue date Jan 16, 2018
- Robert R. Spencer
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

Information Patent Application
Musical Instrument Actuators and Methods for Actuating a Musical In...
- Publication number 20170061942
- Publication date Mar 2, 2017
- Robert R. Spencer
- G10 - MUSICAL INSTRUMENTS ACOUSTICS