Drilldown: Patents
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Patents > Inventors :
John Kobbe or
Phil Crosby
& Filing date:
1980
& Grant date:
February 1982
& Cites :
Patent US 3011129A or
Patent US 3325673A or
Patent US 3629731A or
Patent US 3740539A or
Patent US 4048577A or
None
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Showing below up to 1 result in range #1 to #1.