Patents by Inventor Martin M. Berger

Martin M. Berger 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).

  • Vending machine with convertible shelves
    Patent number: 4371093
    Abstract: A vending machine containing horizontal pivotable shelves disposed side-by-side are adapted to support articles to be dispensed. A device is disclosed for selectively converting two adjacent shelves so that they function as a single shelf whereby an operator can simultaneously attain dispensing from the two adjacent shelves.
    Type: Grant
    Filed: April 14, 1981
    Date of Patent: February 1, 1983
    Inventor: Martin M. Berger