Murray R. Clark

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North Little Rock, AR, US

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Patents Grantslast 30 patents

Information Patent Grant
Locking string retainer for stringed musical instrument
- Patent number 10,255,893
- Issue date Apr 9, 2019
- Murray R. Clark
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Rotating speaker array
- Patent number 10,249,276
- Issue date Apr 2, 2019
- Murray R. Clark
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Rotating speaker array
- Patent number 9,769,561
- Issue date Sep 19, 2017
- Murray R. Clark
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
ROTATING SPEAKER ARRAY
- Publication number 20180068644
- Publication date Mar 8, 2018
- Murray R. Clark
- G10 - MUSICAL INSTRUMENTS ACOUSTICS