Drilldown: Patents
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Patents > Inventors :
John Addis or
Les Larson or
Phil Crosby
& Grant date:
1970 - 1979
& Cites :
Patent US 2280531A or
Patent US 3426236A or
Patent US 4146844A or
Patent US 4255003A or
None
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Showing below up to 12 results in range #1 to #12.