Drilldown: Patents
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Patents > Inventors :
Dan Knierim or
Les Larson or
Linley Gumm or
Phil Crosby or
Richard A. Jackson
& Filing date:
1980 - 1989
& Grant date:
1984
& Cites :
Patent US 3293473A or
None
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Showing below up to 1 result in range #1 to #1.