Drilldown: Patents
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Patents > Inventors:
Phil Crosby
& Company :
Audio Precision or
Tektronix Inc
& Filing date:
1990 - 1999
& Cites :
... or
Patent US 2280531A or
Patent US 4146844A or
Patent US 4255003A or
Other or
None
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Showing below up to 10 results in range #1 to #10.