Drilldown: Patents
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Patents > Inventors :
George Frye or
Phil Crosby
& Filing date:
1980
& Cites :
Patent US 3215948A or
Patent US 3312850A or
Patent US 3426236A or
Patent US 3430093A or
Patent US 3629731A or
None
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Showing below up to 3 results in range #1 to #3.