Drilldown: Patents
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Patents > Inventors :
John Kobbe or
Linley Gumm or
Phil Crosby
& Filing date:
1980 - 1989
& Cites :
Patent US 3215948A or
Patent US 3426237A or
Patent US 3510690A or
Patent US 3740539A or
None
Use the filters below to narrow your results.
Showing below up to 13 results in range #1 to #13.