Drilldown: Patents
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Patents > Inventors
:
John Kobbe
or
Linley Gumm
or
Phil Crosby
or
Richard A. Jackson
& Company
:
Audio Precision
or
Jackson Richard A, Symes Peter D, Bannister Richard S, Grancey Thomas A, Frasier Richard A, John Abt, Barnett Ronnie D, Blecksmith James E, Windrem Kevin D, Olmstead Neil R
& Grant date:
August 15, 1989
& Cites
:
Patent GB 460562A
or
Patent US 3011129A
or
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