Patents by Inventor George Edward Engstrom

George Edward Engstrom 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: 8028487
    Abstract: Load bearing and non-load bearing frames for walls, roofs and floors are prefabricated according to a predetermined building plan and made to disengage and collapse to a compact and intact frame, where, as with a wall frame, studs are resting against one another and the upper and lower tracks are in close approximation to each other, separated only by said resting studs. Said frames for walls, roofs and floors can be readily be transported to a construction site, where the collapsed frames are expanded, engaged, stabilized and permanently plumbed and braced.
    Type: Grant
    Filed: May 20, 2003
    Date of Patent: October 4, 2011
    Inventor: George Edward Engstrom
  • Publication number: 20040231274
    Abstract: Load bearing and non-load bearing frames for walls, roofs and floors are prefabricated according to a predetermined building plan and made to disengage and collapse to a compact and intact frame, where, as with a wall frame, studs are resting against one another and the upper and lower tracks are in close approximation to each other, separated only by said resting studs. Said frames for walls, roofs and floors can be readily be transported to a construction site, where the collapsed frames are expanded, engaged, stabilized and permanently plumbed and braced.
    Type: Application
    Filed: May 20, 2003
    Publication date: November 25, 2004
    Inventor: George Edward Engstrom