Drilldown: Patents
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Patents > Inventors :
Dan Knierim or
Gene Andrews or
Phil Crosby
& Company :
Tektronix Inc or
Tony Sprando or
Triquint Semiconductor Inc. or
XFRM Inc
& Filing date:
1964
& Grant date:
1960 - 1969
& Cites :
Patent US 2922074A or
Patent US 3629731A or
Patent US 4146844A or
Patent US 4150420A or
Patent US 4255003A
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