Drilldown: Patents
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Patents > Inventors :
George Frye or
Phil Crosby
& Grant date:
1970 - 1979
& Cites :
Patent GB 460562A or
Patent US 2922074A or
Patent US 3369173A or
Patent US 3558930A or
Patent US 3629731A or
None
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Showing below up to 13 results in range #1 to #13.