Drilldown: Patents
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Patents > Inventors :
Bruce J. Penney or
Dan Knierim or
Gene Andrews or
George Frye or
John Kobbe or
Phil Crosby
& Filing date:
1988
& Cites :
Patent GB 460562A or
Patent US 3413513A or
Patent US 3558930A or
Patent US 3629731A or
Patent US 3725792A or
Patent US 4048577A or
Patent US 4255003A or
None
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Showing below up to 8 results in range #1 to #8.