Drilldown: Patents
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Patents > Inventors :
John Addis or
John Kobbe or
Linley Gumm or
Phil Crosby
& Filing date:
1980 - 1989
& Cites :
Patent US 3312850A or
Patent US 3426236A or
Patent US 3689752A or
Other or
None
Use the filters below to narrow your results.
Showing below up to 23 results in range #1 to #23.