Drilldown: Patents
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Patents > Inventors:
Dan Knierim
& Filing date:
1990 - 1999
& Grant date:
May 6, 1997
& Cites :
Patent US 3011129A or
Patent US 3510690A or
Patent US 3562464A or
Patent US 3629731A or
Patent US 4146844A or
None
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Showing below up to 1 result in range #1 to #1.