Drilldown: Patents
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Patents > Inventors :
Dan Knierim or
Phil Crosby
& Filing date:
1960 - 1969
& Cites :
... or
Patent US 3214516A or
Patent US 3215948A or
Patent US 3426236A or
Patent US 3430093A or
Patent US 3753170A or
Patent US 4048577A or
None
Use the filters below to narrow your results.
Showing below up to 3 results in range #1 to #3.