Drilldown: Patents
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Patents > Inventors :
George Frye or
John Kobbe or
Phil Crosby or
Val Garuts
& Grant date:
1970 - 1979
& Cites :
Patent US 3215948A or
Patent US 3629731A or
Patent US 4146844A or
Patent US 4255003A or
None
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Showing below up to 18 results in range #1 to #18.