Patents by Inventor Jacob C. Barnhardt, Jr.

Jacob C. Barnhardt, Jr. 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).

  • Insulating building block
    Patent number: 4002002
    Abstract: An insulating building block which is a composite of masonry material and a foam material is disclosed. The building block is obtained by applying a layer of foam material to a longitudinally extending side face of a cavity located within the block. A shield insert may be employed to define that portion of a block cavity which is to receive the foam.
    Type: Grant
    Filed: April 19, 1976
    Date of Patent: January 11, 1977
    Inventor: Jacob C. Barnhardt, Jr.