Drilldown: Patents
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Patents > Inventors :
George Frye or
John Cheng or
Linley Gumm
& Filing date:
1960 - 1969
& Grant date:
March 18, 1969
& Cites :
Patent US 2883619A or
Patent US 3293474A or
Patent US 3725792A or
Patent US 4146844A or
Other or
None
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Showing below up to 1 result in range #1 to #1.