Patents by Inventor Oswald J. Grainger, deceased

Oswald J. Grainger, deceased 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).

  • Method of constructing masonry panels
    Patent number: 4977731
    Abstract: A method for constructing masonry (brick, thin brick, tile, marble, stone, etc.) panels. Masonry units are placed face-down on an adhesive-coated positioning board, joint control means are applied, and a standard tilt-wall or precast panel construction is accomplished. Removal of the positioning board, adhesive, and joint control means results in a standard masonry faced wall panel which may be grouted.
    Type: Grant
    Filed: September 28, 1989
    Date of Patent: December 18, 1990
    Assignee: Bruce Grainger
    Inventor: Oswald J. Grainger, deceased