Drilldown: Patents

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Patents > Inventors : Art Metz or Bruce J. Penney or Dan Knierim or Gene Andrews or John Kobbe or Phil Crosby or Thomas S. Buzak or Val Garuts & Grant date: 1960 - 1969 & Cites : Patent US 2280531A or Patent US 2883619A or Patent US 2922074A or Patent US 3214631A or Patent US 3413513A or Patent US 4146844A or None

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