Patents Assigned to Gebruder Niessing GmbH & Co.
  • Ornamental gem and method of manufacturing the same
    Patent number: 5511391
    Abstract: An ornamental ring-shaped metal gem formed of a wire maze, and produced by a process including forming, on a mandrel, a wire weave having a length exceeding a thickness of the manufactured gem, thereafter inserting the mandrel, together with the wire weave into a tubular element of a die, which also includes a cylindrical bottom portion supporting the tubular element and defines a stop surface for the mandrel, and applying pressure to the wire weave to form the gem.
    Type: Grant
    Filed: March 1, 1994
    Date of Patent: April 30, 1996
    Assignee: Gebruder Niessing GmbH & Co.
    Inventor: Hubert Verstraeten
  • Sandwich watch
    Patent number: D360592
    Type: Grant
    Filed: July 19, 1993
    Date of Patent: July 25, 1995
    Assignee: Gebruder Niessing GmbH & Co.
    Inventor: Gunter Wermekes