Drilldown: Patents
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Patents > Inventors :
Dan Knierim or
John Kobbe or
Les Larson or
Phil Crosby or
Richard A. Jackson
& Grant date:
1970 - 1979
& Cites :
Patent GB 460562A or
Patent US 3331983A or
Patent US 3689752A or
Patent US 3753170A or
Patent US 4255003A or
None
Use the filters below to narrow your results.
Showing below up to 8 results in range #1 to #8.