Drilldown: Patents
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Patents > Inventors :
Dan Knierim or
John Addis
& Grant date:
January 2, 1979
& Cites :
... or
Patent US 3312850A or
Patent US 3558930A or
None
& Links :
517 or
7F10
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Showing below up to 1 result in range #1 to #1.