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Frederick Phelps
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Manlius, NY, US
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last 30 patents
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Patent Grant
Frictionless, non-destructive playback system for cylinder recordings
Patent number
7,042,811
Issue date
May 9, 2006
Syracuse University
William A. Penn
G11 - INFORMATION STORAGE
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last 30 patents
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Patent Application
Frictionless, non-destructive playback system for cylinder recordings
Publication number
20030235122
Publication date
Dec 25, 2003
William A. Penn
G11 - INFORMATION STORAGE