Patents by Inventor Thomas Houseknecht

Thomas Houseknecht 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).

  • Escutcheon device for vending machine
    Patent number: 4744462
    Abstract: An escutcheon device for use in vending machines that allows an older machine to accommodate a paper money validator without replacing the machine and allows a newer machine to accept a paper money validator with larger stacking capacity.
    Type: Grant
    Filed: June 10, 1987
    Date of Patent: May 17, 1988
    Inventor: Thomas Houseknecht