Darrell Johnston

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Harbor City, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Universal trigger module
- Patent number 10,121,462
- Issue date Nov 6, 2018
- Darrell Nickson Johnston
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Topside spring tension adjuster for bass drum pedals with variable...
- Patent number 8,686,265
- Issue date Apr 1, 2014
- Darrell Johnston
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Beater bracket and variable drive lever system with variable pivot...
- Patent number 8,642,868
- Issue date Feb 4, 2014
- Axis Percussion, Inc.
- Charles Blashaw
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Beater bracket and variable drive lever system with variable pivot...
- Patent number 8,455,746
- Issue date Jun 4, 2013
- Axis Percussion, Inc.
- Darrell Johnston
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Detonator with cushioned mallet
- Patent number 7,598,445
- Issue date Oct 6, 2009
- Darrell N. Johnston
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

Information Patent Application
UNIVERSAL TRIGGER MODULE
- Publication number 20170256247
- Publication date Sep 7, 2017
- Axis Percussion, Inc.
- Darrell Nickson Johnston
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
MOUNTING SYSTEM FOR ACOUSTIC MUSICAL INSTRUMENTS
- Publication number 20130000460
- Publication date Jan 3, 2013
- Darrell Johnston
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
TOPSIDE SPRING TENSION ADJUSTER FOR BASS DRUM PEDALS WITH VARIABLE...
- Publication number 20120198984
- Publication date Aug 9, 2012
- Darrell Johnston
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
BEATER BRACKET AND VARIABLE DRIVE LEVER SYSTEM WITH VARIABLE PIVOT...
- Publication number 20120144976
- Publication date Jun 14, 2012
- Darrell Johnston
- G10 - MUSICAL INSTRUMENTS ACOUSTICS