Patents by Inventor David M. Ritz

David M. Ritz 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).

  • Photographic print package
    Patent number: D342205
    Type: Grant
    Filed: December 17, 1991
    Date of Patent: December 14, 1993
    Assignee: Ritz Camera Centers, Inc.
    Inventor: David M. Ritz