Patents by Inventor Daniel J. Burhardt

Daniel J. Burhardt 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: D312925
    Type: Grant
    Filed: May 9, 1988
    Date of Patent: December 18, 1990
    Assignee: Structure Source Corporation
    Inventor: Daniel J. Burhardt