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A. Clifford Barker
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Tulsa, OK, US
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Patents Grants
last 30 patents
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Patent Grant
System and method for providing a realistic audiovisual representat...
Patent number
6,955,604
Issue date
Oct 18, 2005
Multimedia Games, Inc.
Gordon T. Graves
G07 - CHECKING-DEVICES
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Patent Grant
Apparatus and method for direct digital measurement of electrical p...
Patent number
6,498,471
Issue date
Dec 24, 2002
A. Clifford Barker
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
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Patent Application
Apparatus and method for direct digital measurement of electrical p...
Publication number
20020084776
Publication date
Jul 4, 2002
A. Clifford Barker
G01 - MEASURING TESTING