Drilldown: Patents
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Patents > Inventors :
Dan Knierim or
Gene Andrews or
John Addis or
John Kobbe or
Phil Crosby or
Richard A. Jackson
& Filing date:
July 1988
& Grant date:
1989
& Cites :
Patent US 3293474A or
Patent US 3358159A or
Patent US 3689752A or
Patent US 4048577A or
Other or
None
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Showing below up to 1 result in range #1 to #1.