Drilldown: Patents
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Patents > Inventors :
Dan Knierim or
George Frye or
John Kobbe or
Les Larson
& Grant date:
1990 - 1999
& Cites :
Patent US 3325673A or
Patent US 3358159A or
Patent US 3753170A or
Patent US 4048577A or
Other or
None
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Showing below up to 10 results in range #1 to #10.