Drilldown: Patents
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Patents > Inventors :
Bruce Hofer or
George Frye or
Phil Crosby
& Grant date:
1990 - 1999
& Cites :
Patent US 2922074A or
Patent US 3293473A or
Patent US 3426237A or
Patent US 3629731A or
Patent US 4048577A or
None
Use the filters below to narrow your results.
Showing below up to 13 results in range #1 to #13.