Patents by Inventor Otto Magerle

Otto Magerle 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).

  • Casing brick, and a method and apparatus for making the same
    Patent number: 4055928
    Abstract: A casing brick comprising a hollow insulating insert, and a two-part concrete shell which substantially encloses the insert, two projections extending from the insert and positioned between the two parts of the shell and interlocking projections and grooves for connecting the shell and the insert together.
    Type: Grant
    Filed: April 14, 1976
    Date of Patent: November 1, 1977
    Inventor: Otto Magerle