Drilldown: Patents
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Patents > Inventors :
Bruce Hofer or
George Frye or
John Addis or
John Kobbe
& Filing date:
1969
& Cites :
Patent US 2883619A or
Patent US 3426236A or
Patent US 3426237A or
Patent US 4146844A or
Patent US 4150420A or
None
Use the filters below to narrow your results.
Showing below up to 3 results in range #1 to #3.