Patents by Inventor Harold F. Hoppstadter

Harold F. Hoppstadter 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: 4853684
    Abstract: A remotely operated control system for vending machines as a replacement for the coin-operated mechanism of such vending machines. The system includes a remote control box disposed any desired position away from the vending machine, a control center and either a connection box or control mechanism within the control center and either connection box or control mechanism assembled in the vending machine in place of the conventional coin mechanism otherwise employed. The system is supplied electrical power from a normal supply source and includes appropriate circuitry which is either wire or frequency operated. In the utilization of the system a purchaser of merchandise to be vended by the vending machine gives the purchase price to a salesperson who in turn actuates a button controlled switch in the control box effective to put the system in operation and places the vending machine in vend condition.
    Type: Grant
    Filed: January 15, 1988
    Date of Patent: August 1, 1989
    Inventor: Harold F. Hoppstadter