Drilldown: Patents
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Patents > Inventors :
John Kobbe or
Phil Crosby or
Richard A. Jackson
& Grant date:
1990 - 1999
& Cites :
Patent US 2280531A or
Patent US 3214631A or
Patent US 3293473A or
Patent US 4150420A or
None
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Showing below up to 15 results in range #1 to #15.