Patents by Inventor Josef Ulbrich

Josef Ulbrich has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Profile wire ring
    Patent number: 3933010
    Abstract: A profile wire ring as a component for the production of finger rings consisting of a first ring and a second wire spring ring attached to the inner side of the first ring in a groove. The second wire spring ring is held by swaged or deformed lugs, on the first ring, made opposite each other from the material of the profile ring.
    Type: Grant
    Filed: May 28, 1974
    Date of Patent: January 20, 1976
    Inventor: Josef Ulbrich