Drilldown: Patents
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Patents > Inventors :
Dan Knierim or
George Frye or
Phil Crosby or
Val Garuts
& Grant date:
1970 - 1979
& Cites :
Patent GB 460562A or
Patent US 2922074A or
Patent US 3214631A or
Patent US 3312850A or
Patent US 3689752A or
None
Use the filters below to narrow your results.
Showing below up to 18 results in range #1 to #18.