Drilldown: Patents
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Patents > Inventors :
Bruce J. Penney or
Dan Knierim or
George Frye
& Filing date:
1980 - 1989
& Cites :
Patent GB 460562A or
Patent US 3011129A or
Patent US 3293473A or
Patent US 3312850A or
Patent US 3558930A or
None
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Showing below up to 29 results in range #1 to #29.