Drilldown: Patents
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Patents > Company :
Hiro Moriyasu or
Tektronix Inc or
The Grass Valley Group, Inc. or
XFRM Inc
& Filing date:
1960 - 1969
& Grant date:
December 13, 1965
& Cites :
Patent US 3430093A or
None
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Showing below up to 1 result in range #1 to #1.