TREA

Henri Kraess

Follow

Person

  • Strasbourg, FR
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Current limiter
    • Patent number 4,217,503
    • Issue date Aug 12, 1980
    • Societe Anonyme Dite: La Telephonie Industrielle et Commerciale-Telic
    • Philippe Hugel
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Multiple electromagnetic relay
    • Patent number 4,195,275
    • Issue date Mar 25, 1980
    • Societe Anonyme Dite: La Telephonie Industrielle et Commerciale-Telic
    • Henri Kraess
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Thyristor switching matrix
    • Patent number 4,190,743
    • Issue date Feb 26, 1980
    • Societe Anonyme Dite: La Telephonie Industrielle et Commerciale-Telic
    • Philippe Hugel
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Method and apparatus for checking connection paths in a telephone e...
    • Patent number 4,185,174
    • Issue date Jan 22, 1980
    • La Telephone Industrielle et Commerciale-Telic
    • Desire Beyhurst
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE