Drilldown: Patents
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Patents > Company 
:
Audio Precision or
Tektronix Inc
& Filing date:
1985
& Grant date:
May 1989
& Cites :
Patent US 3214631A or
Patent US 3293474A or
Patent US 3312850A or
Patent US 3430093A or
Patent US 3740539A or
Patent US 4150420A
:
Audio Precision or
Tektronix Inc
& Filing date:
1985
& Grant date:
May 1989
& Cites :
Patent US 3214631A or
Patent US 3293474A or
Patent US 3312850A or
Patent US 3430093A or
Patent US 3740539A or
Patent US 4150420A Use the filters below to narrow your results.
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