Drilldown: Patents
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Patents > Inventors :
Bruce Hofer or
Dan Knierim or
Phil Crosby or
Richard A. Jackson
& Grant date:
1980 - 1989
& Cites :
Patent US 3214631A or
Patent US 3562464A or
Patent US 3740539A or
Patent US 4146844A or
None
Use the filters below to narrow your results.
Showing below up to 31 results in range #1 to #31.