TREA

Bertus Dijkman

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  • Breda, NL
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Patents Grantslast 30 patents

  • Information Patent Grant

    Dust bag
    • Patent number 6,379,409
    • Issue date Apr 30, 2002
    • 3M Innovative Properties Company
    • Bertus Dijkman
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Filter device for the filtration of fluids
    • Patent number 5,630,940
    • Issue date May 20, 1997
    • Minnesota Mining and Manufacturing Company
    • Leonard M. Van Rossen
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL