Drilldown: Patents
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Patents > Inventors :
Bozidar Janko or
Bruce Hofer or
Bruce J. Penney or
Conrad Odenthal or
George Frye or
John Kobbe or
Les Larson or
Phil Crosby
& Company:
Audio Precision
& Cites :
... or
Patent GB 460562A or
Patent US 2280531A or
Patent US 2922074A or
Patent US 3331983A or
Patent US 3629731A or
Patent US 4146844A or
Patent US 4150420A
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