Patents by Inventor Harry M. Cook

Harry M. Cook 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).

  • Interlocking building block
    Patent number: 4182089
    Abstract: Spaced apart webs extend between upright sidewalls of a block having parallel upper and lower surfaces. A plurality of the blocks are placed in staggered linear courses to form a wall. Projections extending upwardly from the webs of the blocks are secured in the spaces between the webs of the blocks of the successive course. The projections interlock with the sidewalls for lateral alignment of the blocks, and are spaced from the webs for longitudinal adjustment of the blocks. Corner blocks and end blocks are also provided.
    Type: Grant
    Filed: October 31, 1977
    Date of Patent: January 8, 1980
    Inventor: Harry M. Cook