Patents by Inventor William L. Queen

William L. Queen 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).

  • Keepsake capsule
    Patent number: 5289915
    Abstract: A keepsake transparent capsule having two compartments, one to receive a two dimensional item and the other to receive a three dimensional item, the capsule capable of being secured to a key chain or other physical item for visual inspection and display. The capsule includes an exterior tube and a piston member inserted within the tube.
    Type: Grant
    Filed: December 4, 1992
    Date of Patent: March 1, 1994
    Inventor: William L. Queen