Drilldown: Patents

Patents > Inventors : Bruce Hofer or Bruce J. Penney or Gene Andrews or George Frye or Hiro Moriyasu or John Addis or Les Larson or Phil Crosby or Thomas S. Buzak or Val Garuts & Company : Fluke Corp or Tektronix or Tektronix Inc or XFRM Inc & Cites : Patent US 3689752A or Patent US 4150420A or Patent US 4255003A

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