Drilldown: Patents
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Patents > Inventors :
Dan Knierim or
George Frye or
Phil Crosby
& Grant date:
2001
& Cites :
... or
Patent US 2922074A or
Patent US 3293473A or
Patent US 3426237A or
Patent US 3558930A or
Other or
None
Use the filters below to narrow your results.
Showing below up to 2 results in range #1 to #2.