Patents by Inventor Alvin Daniel Kromm

Alvin Daniel Kromm 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).

  • SCRATCH-OFF DOCUMENT AND METHOD FOR PRODUCING SAME
    Publication number: 20070281224
    Abstract: A scratch-off document and a method for producing a scratch off document are disclosed. The scratch-off document may include: a base material; a first toner layer affixed to the base material, wherein the first toner layer comprises a content to be masked; an optional barrier layer; and a second toner layer removably affixed to the barrier layer, so that the second toner layer may be removed when scratched using a hard object.
    Type: Application
    Filed: May 31, 2006
    Publication date: December 6, 2007
    Inventors: Kerry Arthur Kirk, Alvin Daniel Kromm, Paul Marcius Butterfield