Patents by Inventor Donald J. Rethman

Donald J. Rethman 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).

  • Building unit
    Patent number: D420749
    Type: Grant
    Filed: November 21, 1996
    Date of Patent: February 15, 2000
    Assignee: Dunkin' Donuts Inc.
    Inventors: Anthony DiTore, Donald J. Rethman, Randall Scott Jeffrey