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Hubert Sieben

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  • Wuppertal, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Speech station for intercom network
    • Patent number 10,498,871
    • Issue date Dec 3, 2019
    • RIEDEL COMMUNICATIONS INTERNATIONAL GMBH
    • Stephan Schaaf
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Speech station for intercom network
    • Patent number 10,284,698
    • Issue date May 7, 2019
    • RIEDEL COMMUNICATIONS INTERNAIONAL GMBH
    • Hubert Sieben
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    NETWORK COMMUNICATION SYSTEM
    • Publication number 20200045156
    • Publication date Feb 6, 2020
    • Stephan SCHAAF
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    SPEECH STATION FOR INTERCOM NETWORK
    • Publication number 20190166237
    • Publication date May 30, 2019
    • Stephan SCHAAF
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    SPEECH STATION FOR INTERCOM NETWORK
    • Publication number 20190166239
    • Publication date May 30, 2019
    • Hubert SIEBEN
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE