Drilldown: Patents
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Patents > Inventors :
Dan Knierim or
Phil Crosby
& Grant date:
1960 - 1969
& Cites :
Patent GB 460562A or
Patent US 2280531A or
Patent US 3558930A or
Patent US 4048577A 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.