Patents by Inventor Doreen Elizabeth Michael

Doreen Elizabeth Michael 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).

  • Clip ring
    Patent number: 4033143
    Abstract: In a ring, bracelet, or similar piece of metal jewelry which holds a charm link or other object onto itself in a manner in which the object is removeable manually, the mechanisms used are known to be spring rings or clips, which operate independently of the ring itself and are opened and/or closed by the pushing, pulling, squeezing or lifting of the clip or a part of the clip itself. In this invention, the clip is opened by the squeezing of the ring itself.
    Type: Grant
    Filed: February 11, 1976
    Date of Patent: July 5, 1977
    Inventor: Doreen Elizabeth Michael