Drilldown: Patents
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Patents > Company
:
Hiro Moriyasu
or
Tektronix Inc
or
The Grass Valley Group, Inc.
& Filing date:
1960 - 1969
& Grant date:
1965
& Cites
:
Patent US 2922074A
or
Patent US 3629731A
or
Patent US 4146844A ![](/tekwiki/extensions/Cargo/drilldown/resources/filter-x.png)
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