Drilldown: Patents
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Patents > Inventors:
Phil Crosby
& Company :
Audio Precision or
Tektronix Inc
& Filing date:
1980 - 1989
& Cites :
Patent US 2280531A or
Patent US 3293474A or
Patent US 3558930A or
Patent US 4048577A or
None
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Showing below up to 10 results in range #1 to #10.