Drilldown: Patents
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Patents > Inventors :
Gene Andrews or
George Frye or
John Addis or
Phil Crosby or
Richard A. Jackson
& Grant date:
1974
& Cites :
Patent US 2922074A or
Patent US 3325673A or
Patent US 3629731A or
Patent US 4146844A or
Patent US 4322688A or
None
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Showing below up to 2 results in range #1 to #2.