Patents by Inventor William Kilpatrick

William Kilpatrick 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: 4826338
    Abstract: A multi-tipped pen and a pen/pen holder combination are disclosed. The multi-tipped pen has an even number of pen tips spaced at a set distance to enable to user to draw simultaneously parallel lines. The pen is used by layout artists to indicate the placing and size of printed material that will appear in the final version of an advertisement. The distance between the pen tips indicates the size of type to be used. The pen may be located within a pen holder that prevents the pen tips from drying out.
    Type: Grant
    Filed: February 6, 1987
    Date of Patent: May 2, 1989
    Inventor: William Kilpatrick