Drilldown: Patents
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Patents > Inventors :
George Frye or
John Kobbe or
Linley Gumm or
Phil Crosby
& Grant date:
1970
& Cites :
Patent US 3293474A or
Patent US 3413513A or
Patent US 4146844A or
Patent US 4150420A or
Other or
None
Use the filters below to narrow your results.
Showing below up to 1 result in range #1 to #1.