Patents by Inventor Hubert E. Schroder

Hubert E. Schroder 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).

  • Fastening device for necklaces
    Patent number: 5018250
    Abstract: A fastening device for an item of jewelery comprises two parallel rings held apart by spacing elements one of the rings having a slit, whereby a bead-shaped end member can be placed in the rings with its connecting member being passed through the slit. The device may be attached to an eyelet or a further ring pair for the attachment of the other end of a chain of beads.
    Type: Grant
    Filed: February 7, 1990
    Date of Patent: May 28, 1991
    Inventor: Hubert E. Schroder