TREA

John M. Rollett

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  • Suffolk, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Transmission system
    • Patent number 4,803,727
    • Issue date Feb 7, 1989
    • British Telecommunications public limited company
    • Christopher E. Holt
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    RC-Active filters
    • Patent number 4,553,103
    • Issue date Nov 12, 1985
    • British Telecommunications
    • John M. Rollett
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Equalizer networks providing a bump shaped response
    • Patent number 4,217,562
    • Issue date Aug 12, 1980
    • The Post Office
    • John M. Rollett
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE