Drilldown: Patents
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Patents > Inventors :
Bruce Hofer or
Dan Knierim or
John Addis or
John Kobbe
& Grant date:
1980 - 1989
& Cites :
Patent US 3214631A or
Patent US 3358159A or
Patent US 3689752A or
Patent US 4255003A or
None
Use the filters below to narrow your results.
Showing below up to 23 results in range #1 to #23.