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James W. Waitzman III
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Homewood, AL, US
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Patents Grants
last 30 patents
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Patent Grant
Audio visual enhancement apparatus
Patent number
8,929,060
Issue date
Jan 6, 2015
Screendoor Studio, Inc.
James W. Waitzman
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Drum rug and gig bag in one
Patent number
8,669,452
Issue date
Mar 11, 2014
Plamron, LLC
James W. Waitzman
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Audio visual enhancement apparatus
Patent number
8,520,370
Issue date
Aug 27, 2013
Screendoor Studio, Inc.
James W. Waitzman
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Patents Applications
last 30 patents
Information
Patent Application
Audio Visual Enhancement Apparatus
Publication number
20130343577
Publication date
Dec 26, 2013
Screendoor Studio, Inc.
James W. Waitzman
G02 - OPTICS
Information
Patent Application
DRUM RUG AND GIG BAG IN ONE
Publication number
20130074676
Publication date
Mar 28, 2013
Plamron, LLC
James W. Waitzman
G10 - MUSICAL INSTRUMENTS ACOUSTICS