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 4255003A or
Patent US 4322688A or
None
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Showing below up to 23 results in range #1 to #23.