Drilldown: Patents
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Patents > Inventors :
Bozidar Janko or
Dan Knierim or
Linley Gumm or
Phil Crosby or
Richard A. Jackson
& Filing date:
1980 - 1989
& Grant date:
1989
& Cites :
Patent US 3214631A or
Patent US 3331983A or
Patent US 3358159A or
Patent US 3531675A or
Patent US 3629731A or
Patent US 4146844A or
Patent US 4322688A or
None
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