Drilldown: Patents
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Patents > Inventors :
John Kobbe or
Linley Gumm or
Phil Crosby or
Richard Cabot
& Filing date:
May 1961
& Grant date:
1960 - 1969
& Cites :
... or
Patent US 2922074A or
None
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Showing below up to 1 result in range #1 to #1.