Drilldown: Patents
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Patents > Inventors :
George Frye or
Les Larson or
Phil Crosby or
Val Garuts
& Grant date:
1970 - 1979
& Cites :
Patent US 3325673A or
Patent US 3369173A or
Patent US 3430093A or
Patent US 3689752A or
None
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Showing below up to 20 results in range #1 to #20.