Drilldown: Patents
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Patents > Inventors :
Bruce Hofer or
Phil Crosby
& Filing date:
April 1991
& Grant date:
1990 - 1999
& Cites :
... or
Patent US 2922074A or
Patent US 3214516A or
Patent US 3558930A or
Patent US 3629731A or
Patent US 3753170A or
Patent US 4255003A or
None
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Showing below up to 1 result in range #1 to #1.