Drilldown: Patents
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- Companies (66)
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Patents > Company :
Audio Precision or
General Electric or
Tektronix Inc or
None
& Filing date:
1985
& Grant date:
May 1989
& Cites :
Patent US 3214631A or
Patent US 3293474A or
Patent US 3413513A or
Patent US 3430093A or
Patent US 3689752A or
Patent US 3740539A or
Patent US 4150420A or
None
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Showing below up to 2 results in range #1 to #2.