Drilldown: Patents
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Patents > Inventors:
Phil Crosby
& Company :
Audio Precision or
Tektronix Inc
& Filing date:
1997
& Grant date:
August 24, 1999
& Cites :
Patent GB 460562A or
Patent US 2922074A or
Patent US 3215948A or
Patent US 3369173A or
Patent US 3558930A or
Patent US 3629731A or
Patent US 3689752A or
None
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