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Hendrik Willem DIJKMAN

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  • Deventer, NL
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of monitoring the quality of a mattress
    • Patent number 11,490,740
    • Issue date Nov 8, 2022
    • Covestro (Netherlands) B.V.
    • Alwin Papegaaij
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...

Patents Applicationslast 30 patents

  • Information Patent Application

    METHOD OF MONITORING THE QUALITY OF A MATTRESS
    • Publication number 20210368999
    • Publication date Dec 2, 2021
    • DSM IP Assets B. V.
    • Alwin PAPEGAAIJ
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...