Patents by Inventor Rae E. Hasselbring

Rae E. Hasselbring 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).

  • Patent number: 4220278
    Abstract: A double door mailbox having elongated link rods with lost motion structure, for connecting the front and rear doors of the mailbox so that both doors may be closed at the same time, but only one door at a time can be opened.The mailbox structure is further characterized by a signal member adapted to be moved by the link rods between a protracted position visible through the rear door and a retracted position.
    Type: Grant
    Filed: November 13, 1978
    Date of Patent: September 2, 1980
    Inventor: Rae E. Hasselbring