Drilldown: Patents
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Patents > Inventors :
Bruce Hofer or
Dan Knierim or
George Frye or
Richard A. Jackson
& Grant date:
1980 - 1989
& Cites :
Patent US 2922074A or
Patent US 3796910A or
Patent US 4150420A or
Patent US 4322688A or
None
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Showing below up to 25 results in range #1 to #25.