Drilldown: Patents
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Patents > Inventors :
Dan Knierim or
George Frye or
John Addis
& Filing date:
1980 - 1989
& Cites :
... or
Patent GB 460562A or
Patent US 3430093A or
Patent US 3558930A or
Patent US 4048577A or
None
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Showing below up to 16 results in range #1 to #16.