David Michael Spinazzola

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Sammamish, WA, US

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Patents Grantslast 30 patents

Information Patent Grant
One touch drum tuning system
- Patent number 10,269,334
- Issue date Apr 23, 2019
- David Michael Spinazzola
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
One touch drum tuning components
- Patent number 9,053,685
- Issue date Jun 9, 2015
- Rotek Drum Systems, Inc.
- David Michael Spinazzola
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
One touch drum tuning system
- Patent number 8,912,416
- Issue date Dec 16, 2014
- David Michael Spinazzola
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Rotation activated drum tuning system
- Patent number 7,501,567
- Issue date Mar 10, 2009
- David Michael Spinazzola
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

Information Patent Application
ONE TOUCH DRUM TUNING SYSTEM
- Publication number 20170270900
- Publication date Sep 21, 2017
- David Michael Spinazzola
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
ONE TOUCH DRUM TUNING SYSTEM
- Publication number 20170053629
- Publication date Feb 23, 2017
- David Michael Spinazzola
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
ONE TOUCH DRUM TUNING SYSTEM
- Publication number 20150170622
- Publication date Jun 18, 2015
- David Michael Spinazzola
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
ONE TOUCH DRUM TUNING COMPONENTS
- Publication number 20140053708
- Publication date Feb 27, 2014
- David Michael Spinazzola
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
ONE TOUCH DRUM TUNING SYSTEM
- Publication number 20140026732
- Publication date Jan 30, 2014
- David Michael Spinazzola
- G10 - MUSICAL INSTRUMENTS ACOUSTICS