Drilldown: Patents
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Patents > Inventors :
Bruce J. Penney or
George Frye or
John V Rogers
& Company :
Anderson Jeffrey J, Moore John S, Deur Ted E, Joy Roy or
Dubner Computer Systems, Inc. or
Fluke Corp or
Tektronix Inc or
The Grass Valley Group, Inc. or
XFRM Inc or
Zeelan Technology, Inc.
& Filing date:
February 18, 1963
& Cites :
Patent US 2922074A or
Patent US 3531675A or
None
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