Patents by Inventor Hubert H. Echterling

Hubert H. Echterling 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).

  • Newspaper arrival indicators
    Patent number: 3960316
    Abstract: A visual indicator for boxes in which printed matter -- such as newspapers or periodicals -- are delivered. An indicator flag is normally concealed underneath the box, and drops to a visible position when a plate in the front of the box is impinged by the insertion of the printed matter. The flag and the plate have a latching relation to re-set the indicator after the box contents have been removed.
    Type: Grant
    Filed: April 12, 1974
    Date of Patent: June 1, 1976
    Inventor: Hubert H. Echterling