Patents by Inventor Richard C. Spake

Richard C. Spake 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 currency acceptor
    Patent number: D282936
    Type: Grant
    Filed: April 28, 1983
    Date of Patent: March 11, 1986
    Assignee: Atlantic Richfield Company
    Inventors: Glen A. Gardner, Richard C. Spake