Drilldown: Patents
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Patents > Inventors :
John Kobbe or
Les Larson or
Phil Crosby or
Richard A. Jackson
& Grant date:
1960 - 1969
& Cites :
Patent US 3214631A or
Patent US 3689752A or
Patent US 3753170A or
Other or
None
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Showing below up to 13 results in range #1 to #13.