Drilldown: Patents
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Patents > Inventors :
John Kobbe or
Linley Gumm or
Phil Crosby
& Grant date:
May 1957
& Cites :
Patent US 3011129A or
Patent US 3214631A or
Patent US 3796910A or
Patent US 4255003A or
Other or
None
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Showing below up to 1 result in range #1 to #1.