Patents by Inventor Harold W. Sokyrka

Harold W. Sokyrka 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: 5512122
    Abstract: A printing compound and methods of producing 3-dimensional signs and lettering and tactile and Braille reading materials is disclosed. The printing compound includes an ultraviolet radiation curable resin and a filler mixed with the resin to form a paste. The resin can be an acrylated urethane oligomer or an epoxidized oil. The compound is applied to a substrate manually or by a computer controlled dispensing apparatus. The compound is subjected to ultraviolet radiation to cure quickly allowing for mass production.
    Type: Grant
    Filed: May 4, 1994
    Date of Patent: April 30, 1996
    Assignee: Luminart Inc.
    Inventor: Harold W. Sokyrka