Patents by Inventor Darko Mance

Darko Mance 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).

  • Apparatus and method for dyeing sheet articles
    Patent number: 4763370
    Abstract: An apparatus for dyeing leather has an application roller and a backup device defining a gap therebetween. The application roller has recesses, and dye is supplied to it to fill the recesses. Sheet articles, e.g. leather pieces, are fed through the gap. The apparatus is operated so that a uniform coating of dye is continuously spread over one surface of the article by the application roller. The dye can have a low viscosity comparable to that of water.
    Type: Grant
    Filed: May 30, 1986
    Date of Patent: August 16, 1988
    Inventors: Darko Mance, Vitomir Mance