Drilldown: Patents
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Patents > Inventors :
John Kobbe or
Linley Gumm or
Phil Crosby
& Grant date:
1970 - 1979
& Cites :
Patent US 3215948A or
Patent US 3312850A or
Patent US 3331983A or
Patent US 3426236A or
Patent US 3719788A or
None
Use the filters below to narrow your results.
Showing below up to 6 results in range #1 to #6.