Patents by Inventor Robert E. Koetter

Robert E. Koetter 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: 4265351
    Abstract: Apparatus for totalizing sales of a vendor, the vendor having a plurality of selection circuits adapted to be energized for vending items at different prices which are whole multiples of 5.cent., the apparatus comprising an electrically operated register operable on being electrically pulsed to register a 5.cent. increment, and a system operable on energization of a selection circuit to vend an item for pulsing the register a number of times equal to one-fifth the price of the item, thereby stepping up the register the number of 5.cent. increments corresponding to the price of the selected item.
    Type: Grant
    Filed: October 1, 1979
    Date of Patent: May 5, 1981
    Assignee: UMC Industries, Inc.
    Inventor: Robert E. Koetter