Drilldown: Patents
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Patents > Inventors :
George Frye or
Phil Crosby
& Filing date:
1960 - 1969
& Cites :
Patent US 2280531A or
Patent US 3214516A or
Patent US 3426237A or
Patent US 3719788A or
Patent US 4146844A or
None
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Showing below up to 12 results in range #1 to #12.