Drilldown: Patents
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Patents > Inventors :
George Frye or
Phil Crosby
& Filing date:
1987
& Cites :
Patent US 3331983A or
Patent US 3413513A or
Patent US 3629731A or
Patent US 4255003A or
Other or
None
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Showing below up to 1 result in range #1 to #1.