Drilldown: Patents

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Patents > Inventors : Bruce J. Penney or Conrad Odenthal or Cornelis Teunis Veenendaal or George Frye or Linley Gumm or Phil Crosby or Val Garuts & Filing date: 1970 - 1979 & Cites : Patent US 2280531A or Patent US 2922074A or Patent US 3358159A or Patent US 3413513A or Patent US 3689752A or Patent US 4255003A or None

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