Patents by Inventor Michael T. Doyle

Michael T. Doyle 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).

  • Coin box insert for bulk vending machines
    Patent number: 5467858
    Abstract: A convertible coin box for a coin-operated bulk vending machine has a nesting coin retaining box established by base-conforming side walls and a vertically disposed slot for translating the box relative to the vending machine axial securing shaft.
    Type: Grant
    Filed: July 26, 1993
    Date of Patent: November 21, 1995
    Assignee: Parkway Machine Corporation
    Inventors: Steven A. Kovens, Michael T. Doyle
  • Coin box insert for a bulk vending machine
    Patent number: D358613
    Type: Grant
    Filed: September 15, 1993
    Date of Patent: May 23, 1995
    Assignee: Parkway Machine Corp.
    Inventors: Steven A. Kovens, Michael T. Doyle