Drilldown: Patents

Patents > Inventors : Bozidar Janko or Dan Knierim or M Balsiger & Filing date: August 1972 & Grant date: 1974 & Cites : Patent US 2280531A or Patent US 2922074A or Patent US 3325673A or Patent US 3629731A or Patent US 3710173A or Patent US 3725792A or Patent US 3740539A or Patent US 3753170A or None & Links : 465 or None

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