Patents by Inventor Daniel C. MacDonald

Daniel C. MacDonald 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).

  • Chess piece head
    Patent number: D355680
    Type: Grant
    Filed: October 22, 1993
    Date of Patent: February 21, 1995
    Assignee: Macbar Games Inc.
    Inventors: Michael Escobar, Daniel C. MacDonald
  • Chess piece head
    Patent number: D356345
    Type: Grant
    Filed: October 22, 1993
    Date of Patent: March 14, 1995
    Assignee: Macbar Games Inc.
    Inventors: Michael Escobar, Daniel C. MacDonald