Drilldown: Patents
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Patents > Inventors :
Dan Knierim 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 3312850A or
Patent US 3689752A or
Patent US 4048577A or
Patent US 4322688A or
Other or
None
& Links :
5A38 or
S-4
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