Drilldown: Patents
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Patents > Inventors :
John Kobbe or
Phil Crosby
& Filing date:
1980 - 1989
& Grant date:
1982
& Cites :
Patent US 3293474A or
Patent US 3413513A or
Patent US 3510690A or
Patent US 3531675A or
Patent US 3629731A or
None
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Showing below up to 2 results in range #1 to #2.