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Allen Perkins
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Berkeley, CA, US
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last 30 patents
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Patent Grant
Tone arm assembly
Patent number
7,944,803
Issue date
May 17, 2011
Allen Perkins
G11 - INFORMATION STORAGE
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last 30 patents
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Patent Application
TONE ARM ASSEMBLY
Publication number
20100080108
Publication date
Apr 1, 2010
Allen Perkins
G11 - INFORMATION STORAGE