Patents by Inventor Ronald W. Dart

Ronald W. Dart 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: 5368489
    Abstract: A luminescent writing or display device and method of manufacturing the same which includes a transparent vinyl sheet containing a fluorescent or neon dye and an opaque sheet made from coated paperboard stock. An acrylic resin varnish is provided on a portion of the paperboard stock for forming a contact surface with the vinyl on which an image may be created by applying pressure thereto. The image is readily erased by separating the sheets. Another portion of the paperboard stock receives printing inks for providing a permanent ink display on a header portion of the device. The device may be manufactured in a continuous process at a reduced cost.
    Type: Grant
    Filed: June 29, 1993
    Date of Patent: November 29, 1994
    Assignee: Procorp. Inc.
    Inventors: Peter A. Confalone, Jr., Ronald W. Dart
  • Patent number: 5249969
    Abstract: A luminescent writing or display device and method of manufacturing the same which includes a transparent vinyl sheet containing a fluorescent or neon dye and an opaque sheet made from coated paperboard stock. An acrylic resin varnish is provided on a portion of the paperboard stock for forming a contact surface with the vinyl on which an image may be created by applying pressure thereto. The image is readily erased by separating the sheets. Another portion of the paperboard stock receives printing inks for providing a permanent ink display on a header portion of the device. The device may be manufactured in a continuous process at a reduced cost.
    Type: Grant
    Filed: May 22, 1991
    Date of Patent: October 5, 1993
    Assignee: Procorp, Inc.
    Inventors: Peter A. Confalone, Jr., Ronald W. Dart