Drilldown: Patents
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Patents > Company
:
Audio Precision
or
Dubner Computer Systems, Inc.
or
General Electric
or
Tektronix Inc
or
The Grass Valley Group, Inc.
or
Triquint Semiconductor, Inc.
or
Triquint Semiconductors, Inc.
or
Zeelan Technology, Inc.
& Filing date:
May 1977
& Grant date:
1980 - 1989
& Cites
:
Patent GB 460562A
or
Patent US 3293474A
or
Patent US 3325673A
or
Patent US 3531675A
or
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