Drilldown: Patents
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Patents > Inventors :
Bruce Hofer or
Dan Knierim or
Richard A. Jackson
& Grant date:
1989
& Cites :
Patent US 2922074A or
Patent US 3293474A or
Patent US 3740539A or
Patent US 4048577A or
None
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Showing below up to 10 results in range #1 to #10.