Drilldown: Patents
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Patents > Inventors :
John Kobbe or
Linley Gumm or
Phil Crosby
& Filing date:
1980 - 1989
& Cites :
Patent US 3293473A or
Patent US 3339088A or
Patent US 3430093A or
Patent US 4048577A or
None
Use the filters below to narrow your results.
Showing below up to 13 results in range #1 to #13.