Drilldown: Patents
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Patents > Inventors :
Dan Knierim or
Phil Crosby
& Filing date:
1980 - 1989
& Cites :
Patent US 2280531A or
Patent US 2883619A or
Patent US 3740539A or
Patent US 4150420A or
None
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Showing below up to 17 results in range #1 to #17.