Patents by Inventor Cesare De Pieri

Cesare De Pieri 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).

  • Building block
    Patent number: 5471808
    Abstract: The building block has a hollow body with lateral surfaces which bear a decorative finish, a flat upper surface having studs protruding therefrom, and a bottom opening defining seats for accommodating the upwardly protruding studs of an underlying block. A frog is formed in the flat upper surface for permitting the introduction of an adhesive medium between adjacent blocks. The block can be provided with a framework having an upper frame and legs for interposition between adjacent blocks.
    Type: Grant
    Filed: October 22, 1993
    Date of Patent: December 5, 1995
    Inventors: Bruno De Pieri, Massimo De Pierri, Cesare De Pieri