Drilldown: Patents
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Patents > Inventors :
John Kobbe or
Linley Gumm or
Phil Crosby or
Richard Cabot
& Grant date:
1970 - 1979
& Cites :
... or
Patent US 3214631A or
Patent US 3293474A or
Patent US 3312850A or
Patent US 3325673A or
Patent US 4150420A or
None
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Showing below up to 6 results in range #1 to #6.