Drilldown: Patents

Patents > Inventors : Bruce J. Penney or George Frye or John Addis or Thomas S. Buzak & Company : Dubner Computer Systems, Inc. or Tektronix Inc, Sony-Tektronix Inc or Tony Sprando & Grant date: 1989 & Cites : Patent GB 460562A or Patent US 2922074A or Patent US 3293473A or Patent US 3413513A or Patent US 3629731A or Patent US 3753170A or Patent US 4146844A or None & Links : 5A45 or Sampling or T7912 or None

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