TREA

Robert Madge

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  • Chalfont St. Giles, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Token ring system hierarchy
    • Patent number 4,985,888
    • Issue date Jan 15, 1991
    • Madge Networks Limited
    • Robert Madge
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Token ring expander and/or hub
    • Patent number 4,905,230
    • Issue date Feb 27, 1990
    • Madge Networks Limited
    • Robert Madge
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE