Drilldown: Patents

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Patents > Company : Audio Precision or Dubner Computer Systems, Inc. or Picosecond Pulse Labs or Tektronix Inc or XFRM Inc & Filing date: 1980 - 1989 & Cites : Patent GB 460562A or Patent US 2883619A or Patent US 2922074A or Patent US 3214631A or Patent US 3740539A or Patent US 3982150A

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