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Wolfgang Welser

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Patents Grantslast 30 patents

  • Information Patent Grant

    Scaffold board and method for making the same
    • Patent number 5,443,137
    • Issue date Aug 22, 1995
    • Josef Welser oHG Profilier- und Stanzwerk
    • Wolfgang Welser
    • E04 - BUILDING
  • Information Patent Grant

    Canvas-blind tube
    • Patent number 5,384,941
    • Issue date Jan 31, 1995
    • Josef Welser oHG et al.
    • Wolfgang Welser
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS