Drilldown: Patents

Patents > Inventors : Bruce Hofer or John Addis or Les Larson or Linley Gumm or Phil Crosby or Richard A. Jackson or Thomas S. Buzak & Company : Audio Precision or Zeelan Technology, Inc. & Cites : ... or Patent US 2280531A or Patent US 2922074A or Patent US 3293473A or Patent US 3358159A or Patent US 3689752A or Patent US 3725792A or Patent US 3753170A or Patent US 4255003A or None & Links: 485

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