Patents by Inventor Gudrun S. LAUKKA

Gudrun S. LAUKKA 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).

  • PLUG FOR PLASTERBOARD REPAIR
    Publication number: 20150308133
    Abstract: A repair plug for sealing holes in plasterboards is provided. The repair plug has gypsum plaster or the like material, substantially a conical shape with a longitudinal axis extending between a front end and a back end, a conical side wall, and recesses on the side wall. The recesses are either longitudinal or spiral around the cylindrical side walls.
    Type: Application
    Filed: April 27, 2015
    Publication date: October 29, 2015
    Inventor: Gudrun S. LAUKKA
  • Plaster plug
    Patent number: D743056
    Type: Grant
    Filed: November 22, 2013
    Date of Patent: November 10, 2015
    Assignee: RK-INNOVATIONS OY
    Inventor: Gudrun S. Laukka
  • Plaster plug
    Patent number: D778463
    Type: Grant
    Filed: October 19, 2015
    Date of Patent: February 7, 2017
    Assignee: RK-INNOVATIONS OY
    Inventor: Gudrun S. Laukka