Drilldown: Patents
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Patents > Inventors :
Dan Knierim or
George Frye
& Filing date:
1990 - 1999
& Cites :
Patent US 3011129A or
Patent US 3629731A or
Patent US 3753170A or
Patent US 4255003A or
Other or
None
Use the filters below to narrow your results.
Showing below up to 9 results in range #1 to #9.