TREA

Theodorus Jacobus Grinwis

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  • Bovenkarspel, NL
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Patents Applicationslast 30 patents

  • Information Patent Application

    LOW-DUSTING INVESTMENT COMPOSITION MATERIAL
    • Publication number 20130341824
    • Publication date Dec 26, 2013
    • DENTSPLY INTERNATIONAL INC.
    • Marijke Bettman
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Application

    LOW-DUSTING INVESTMENT COMPOSITION MATERIAL
    • Publication number 20110012286
    • Publication date Jan 20, 2011
    • MARIJKE BETTMAN
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    Low-dusting investment composition material
    • Publication number 20090072425
    • Publication date Mar 19, 2009
    • Marijke Bettman
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    Strengthened ceramic restoration
    • Publication number 20090004630
    • Publication date Jan 1, 2009
    • Joseph Maria van der Zel
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    Strengthened ceramic restoration
    • Publication number 20060099552
    • Publication date May 11, 2006
    • Joseph Maria van der Zel
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    Low-dusting investment composition material
    • Publication number 20060086286
    • Publication date Apr 27, 2006
    • Marijke Bettman
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL