Drilldown: Patents
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Patents > Inventors :
John Addis or
Linley Gumm or
Phil Crosby
& Filing date:
1980 - 1989
& Cites :
Patent US 2280531A or
Patent US 2922074A or
Patent US 3753170A or
Patent US 4322688A or
None
Use the filters below to narrow your results.
Showing below up to 22 results in range #1 to #22.