Drilldown: Patents
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Patents > Inventors :
George Frye or
John Kobbe or
Linley Gumm or
Phil Crosby
& Filing date:
1980 - 1989
& Cites :
Patent US 3369173A or
Patent US 3426236A or
Patent US 3689752A or
Patent US 4322688A or
None
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Showing below up to 13 results in range #1 to #13.