Patents by Inventor Albert J. Dennerlein

Albert J. Dennerlein 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 and periodical single-copy vending machine
    Patent number: 4140242
    Abstract: A single-copy, coin operated, newspaper and periodical vending machine, specifically including a mechanism for regulating the size of the dispensing opening according to the thickness of the newspaper or periodical being dispensed, said mechanism being manually adjustable when the dispensing machine is loaded, further including a self-compensating spring-loaded mechanism for feeding a stack of newspapers or periodicals to the dispensing opening, and a display panel to permit viewing of the newspaper or periodical dispensed from the machine.
    Type: Grant
    Filed: July 15, 1977
    Date of Patent: February 20, 1979
    Inventors: Robert F. Muller, Albert J. Dennerlein