Patents by Inventor Larry J. Schaefer

Larry J. Schaefer 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: 6708418
    Abstract: A method and apparatus for masonry brick laying of a column, such apparatus employing an apparatus for setting a layer of brick or other structural material, allowing the column of bricks to be placed in a straight, or spiral, format while keeping each layer within the column both plumb and level. Each layer of brick column can consists of a shape that can be square, rectangular, hexagonal, octagonal, etc. whereas such shape can be spiraled from one layer of brick to another. Alternate embodiment of apparatus allows a curvilinear wall to be constructed, guiding each layer of brick as the wall is constructed.
    Type: Grant
    Filed: May 30, 2002
    Date of Patent: March 23, 2004
    Inventor: Larry J. Schaefer