Drilldown: Patents
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Patents > Inventors :
Dan Knierim or
John Addis
& Grant date:
1989
& Cites :
Patent US 3293474A or
Patent US 3325673A or
Patent US 3331983A or
Patent US 3413513A or
Patent US 3426236A or
Patent US 3689752A or
Patent US 3796910A or
Patent US 4048577A or
None
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Showing below up to 2 results in range #1 to #2.