Patents by Inventor Dyann E. Hoffman

Dyann E. Hoffman 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).

  • Diaper
    Patent number: D334060
    Type: Grant
    Filed: May 25, 1990
    Date of Patent: March 16, 1993
    Inventor: Dyann E. Hoffman