Patents by Inventor Hugh L. Cardon

Hugh L. Cardon 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: 5337484
    Abstract: A scriptwriting guidance device for use by individuals who are visually or otherwise impaired, the device acting to guide the writer's pen or other writing implement along a straight, horizontal path across a writing surface to form complete letters and other characters without interference from the device. The device includes a backboard having a shaft mounted for rotation adjacent one side edge thereof. Slidable along the shaft in incremental steps is a slide from whereby is cantilevered a guide element formed by a rectangular frame that overlies a paper sheet lying on the backboard. Disposed within the window of the frame is a rectangular template of smaller dimensions, the template having a narrow slot that defines a straight, horizontal path. The opposite ends of the template are coupled by springs to the corresponding ends of the frame whereby the template effectively floats within the window and is free to shift laterally.
    Type: Grant
    Filed: August 10, 1993
    Date of Patent: August 16, 1994
    Inventor: Hugh L. Cardon