Patents by Inventor John P. Catalano

John P. Catalano 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).

  • Devices for marking a page of a book and for indicating the number of such page
    Patent number: 5377612
    Abstract: A device for marking a page of a book and for indicating the number of such page comprising a first sheet of thin rigid opaque plastic material formed in a generally rectangular configuration with long parallel side edges and short parallel upper and lower edges. A second sheet of thin rigid opaque plastic material is formed in a generally rectangular configuration with long parallel side edges and short parallel upper and lower edges, the first of the sheets being formed with a plurality of equally spaced rectangular windows formed between the longitudinal center line of the sheet and a second long edge. A plurality of transparent rigid opaque plastic circular disks are provided, each of the disks being formed with the numbers 0 through 9 adjacent to its periphery for sequentially being positioned adjacent to the windows.
    Type: Grant
    Filed: December 10, 1993
    Date of Patent: January 3, 1995
    Inventors: John P. Catalano, John M. Catalano