Drilldown: Patents

Patents > Company : Richard Cabot or Tektronix Inc or Tektronix Inc, Sony-Tektronix Inc or The Grass Valley Group, Inc. or Tony Sprando or Triquint Semiconductor Inc. or Triquint Semiconductors, Inc. or XFRM Inc or None & Filing date: 1989 & Grant date: 1980 - 1989 & Cites : Patent US 3011129A or Patent US 3531675A or Patent US 3689752A or Patent US 4146844A or Patent US 4150420A or None

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