Drilldown: Patents
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Patents > Inventors :
Gene Andrews or
Phil Crosby or
Val Garuts
& Filing date:
January 1989
& Grant date:
1990
& Cites :
Patent GB 460562A or
Patent US 2280531A or
Patent US 3426236A or
Patent US 3629731A or
Patent US 3753170A or
Patent US 4146844A or
None
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Showing below up to 2 results in range #1 to #2.