Drilldown: Patents
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Patents > Company :
Audio Precision or
General Electric or
Tektronix Inc
& Filing date:
1985
& Grant date:
May 1989
& Cites :
Patent GB 460562A or
Patent US 3214631A or
Patent US 3293474A or
Patent US 3430093A or
Patent US 3740539A or
None
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Showing below up to 2 results in range #1 to #2.