TREA

Jeffery A. Hanneman

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  • South Euclid, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Local area network redundancy system
    • Patent number 4,780,869
    • Issue date Oct 25, 1988
    • Allen-Bradley Company, Inc.
    • Jonathan Engdahl
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Industrialized token passing network
    • Patent number 4,667,323
    • Issue date May 19, 1987
    • Allen-Bradley Company, Inc.
    • Jonathan R. Engdahl
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE