Drilldown: Patents

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Patents > Inventors : Dan Knierim or Gene Andrews or George Frye or Phil Crosby or Richard Cabot & Company : Audio Precision or Frye Electronics Inc or Zeelan Technology, Inc. & Cites : Patent GB 460562A or Patent US 2922074A or Patent US 3011129A or Patent US 3689752A or Patent US 3725792A or Patent US 4048577A or Patent US 4322688A or Other or None & Links: S-4

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