Drilldown: Patents
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Patents > Inventors :
Bruce Hofer or
Dan Knierim or
Phil Crosby
& Grant date:
1970 - 1979
& Cites :
Patent US 3293474A or
Patent US 3689752A or
Patent US 4048577A or
Patent US 4146844A or
Other or
None
Use the filters below to narrow your results.
Showing below up to 9 results in range #1 to #9.