Drilldown: Patents
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Patents > Inventors :
John Kobbe or
Linley Gumm or
Phil Crosby
& Grant date:
1950 - 1959
& Cites :
Patent US 3011129A or
Patent US 3369173A or
Patent US 3510690A or
Patent US 4322688A or
Other or
None
Use the filters below to narrow your results.
Showing below up to 4 results in range #1 to #4.