Wilhelmus Hubertus Paulus Maria Heijnen

Person

  • Nienhagan, DE

Patents Grantslast 30 patents

  • Information Patent Grant

    Pipe connecting method

    • Patent number 6,907,652
    • Issue date Jun 21, 2005
    • Shell Oil Company
    • Wilhelmus Hubertus Paulus Maria Heijnen
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...