Patents by Inventor Donna Hulina

Donna Hulina 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: D661912
    Type: Grant
    Filed: August 11, 2011
    Date of Patent: June 19, 2012
    Inventors: Donna Hulina, David G. Duckworth