Drilldown: Patents
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Patents > Inventors :
Dan Knierim or
John Addis
& Grant date:
1990 - 1999
& Cites :
... or
Patent US 3558930A or
Patent US 3689752A or
Patent US 3719788A or
Patent US 3740539A or
None
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Showing below up to 11 results in range #1 to #11.