Patents by Inventor Walter W. Regan

Walter W. Regan 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).

  • Rural mailbox signaling device
    Patent number: D337414
    Type: Grant
    Filed: April 8, 1991
    Date of Patent: July 13, 1993
    Assignee: Enamel Products & Plating Company
    Inventor: Walter W. Regan