Patents by Inventor Heidi Hammel

Heidi Hammel 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).

  • Holder for reading material
    Publication number: 20050184211
    Abstract: The Invention is a holder for a book, computer screen or other reading material. A frame supports the reading material against the pull of gravity and defines an opening. The frame is supported above a person and the reading material is visible to the person through the opening. The person may reach through the opening to turn a page or otherwise manipulate the reading material.
    Type: Application
    Filed: February 24, 2004
    Publication date: August 25, 2005
    Inventors: Robert Yarbrough, Heidi Hammel