Patents by Inventor Francis Z. Brown

Francis Z. Brown 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).

  • Book holder
    Patent number: 4767094
    Abstract: A book holder including a backing strip (24) formed to extend along the covers of an open book (12) with ends (19, 20) bent back toward each other to overlap and clamp open the book pages. A non-skid surface (35) on the backing strip assists in maintaining the holder in place on the open book and on a supporting surface.
    Type: Grant
    Filed: April 10, 1987
    Date of Patent: August 30, 1988
    Inventor: Francis Z. Brown