Drilldown: Patents
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Patents > Inventors :
Dan Knierim or
Gene Andrews or
Phil Crosby or
Thomas S. Buzak
& Grant date:
December 1967
& Cites :
Patent US 2922074A or
Patent US 3214631A or
Patent US 3430093A or
Patent US 3629731A or
Patent US 3796910A or
Patent US 4146844A or
None
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Showing below up to 1 result in range #1 to #1.