Drilldown: Patents
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Patents > Inventors :
Bruce Hofer or
Dan Knierim or
Phil Crosby
& Grant date:
1980 - 1989
& Cites :
Patent US 3312850A or
Patent US 3430093A or
Patent US 4146844A or
Patent US 4255003A or
None
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Showing below up to 19 results in range #1 to #19.