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).

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
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