Patents by Inventor Alfred E. Sauer

Alfred E. Sauer 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).

  • Safety clasp for jewelry
    Patent number: 4425687
    Abstract: This invention relates to safety clasp for jewelry such as necklaces, bracelets, earrings, tie tacks, hat pins and the like, and more particularly, to a clasp for jewelry including releasably connected male and female components, generally flat in one dimension. The male component comprises a flat shaped tongue. The female component comprises a tongue guide provided with a groove in which the tongue is slidably mounted. A spring lock release with a tab projecting through a groove for engagement and disengagement with a notch in the tongue. The foregoing elements are housed in a two-part shell fastened together in final assembly.
    Type: Grant
    Filed: November 5, 1980
    Date of Patent: January 17, 1984
    Assignee: B. A. Ballou & Co., Incorporated
    Inventor: Alfred E. Sauer
  • Double fold over jewelry clasp
    Patent number: 4314389
    Abstract: This invention relates to a jewelry clasp for securing opposite ends of a necklace chain, and more particularly to a double fold over jewelry clasp providing two sets of interlocking fastening means.
    Type: Grant
    Filed: October 4, 1979
    Date of Patent: February 9, 1982
    Assignee: B. A. Ballou & Co., Incorporated
    Inventors: Alfred E. Sauer, Bruno Tassoni