Patents by Inventor Goran Erik Hedman

Goran Erik Hedman 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).

  • Gypsum plasterboard with a coating slip and method of manufacturing
    Patent number: 8524373
    Abstract: A gypsum plasterboard with a covering paper forming the outside of the plasterboard and a coating slip deposited on the covering paper. The coating slip has plastic pigments as whitening agent.
    Type: Grant
    Filed: June 29, 2005
    Date of Patent: September 3, 2013
    Assignee: LaFarge Platres
    Inventor: Goran Erik Hedman
  • GYPSUM PLASTERBOARD WITH A COATING SLIP AND METHOD OF MANUFACTURING
    Publication number: 20090297826
    Abstract: A gypsum plasterboard with a covering paper forming the outside of the plasterboard and a coating slip deposited on the covering paper. The coating slip has plastic pigments as whitening agent.
    Type: Application
    Filed: June 29, 2004
    Publication date: December 3, 2009
    Inventor: Goran Erik Hedman