Drilldown: Patents
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Patents > Inventors :
Gene Andrews or
Phil Crosby or
Richard Cabot or
Val Garuts
& Company:
XFRM Inc
& Cites :
... or
Patent US 2280531A or
Patent US 2922074A or
Patent US 3293474A or
Patent US 3358159A or
Patent US 3629731A or
Patent US 3725792A or
Patent US 4146844A or
None
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Showing below up to 4 results in range #1 to #4.