TREA

Hermann Hardenbicker

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  • Wipperfurth, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Fan-type grinding wheel
    • Patent number 8,177,608
    • Issue date May 15, 2012
    • August Rueggeberg GmbH & Co. KG
    • Vadim Schmied
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Abrasive wheel
    • Patent number 5,649,857
    • Issue date Jul 22, 1997
    • August Ruggeberg
    • Rolf Suhrheinrich
    • B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

  • Information Patent Application

    FAN-TYPE GRINDING WHEEL
    • Publication number 20090305619
    • Publication date Dec 10, 2009
    • August Ruggeberg GmbH & Co., KG
    • Vadim SCHMIED
    • B24 - GRINDING POLISHING