Patents by Inventor Ellis Walker, Jr.

Ellis Walker, Jr. 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: 4308951
    Abstract: A compact three-leaf combination book prop and notepad. The three leaves are hinged end-to-end and fold closed in a flat "Z" orientation so as to be suitable for insertion in a breast pocket. Two of the leaves may be fixed in an inverted "V" orientation to give vertical support to a book. The third leaf includes a paper pad clip which also serves as a book catch for preventing horizontal slippage of the propped book. The front face of the center leaf includes a thin electronic computer and a holder for a flattened writing utensil.
    Type: Grant
    Filed: November 5, 1979
    Date of Patent: January 5, 1982
    Inventor: Ellis Walker, Jr.