Patents by Inventor Donald F. Macak

Donald F. Macak 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: D553994
    Type: Grant
    Filed: October 31, 2006
    Date of Patent: October 30, 2007
    Assignee: Plochman, Inc.
    Inventors: Donald F. Macak, Anne C. Plochman