Drilldown: Patents
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Patents > Inventors :
Dan Knierim or
George Frye or
Hiro Moriyasu or
Les Larson or
Phil Crosby
& Company :
Anderson Jeffrey J, Moore John S or
Audio Precision or
Tektronix Inc or
None
& Grant date:
December 1974
& Cites :
Patent US 4048577A or
None
& Links :
541 or
5A38 or
5A45 or
7A18
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