Patents by Inventor Chung S. Hun

Chung S. Hun 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).

  • Mold board construction
    Patent number: 5097644
    Abstract: A mold board construction includes a body made of concrete and a number of steel wires embedded in the body. A number of grooves are formed in the surfaces of the body so that a number of protrusions are formed on the body, and a number of holes are formed in the body so that the body can be fixed to the strips. A number of mold board constructions form a hollow space for receiving an amount of concrete so that an object is formed. The mold board constructions form part of the object.
    Type: Grant
    Filed: February 1, 1991
    Date of Patent: March 24, 1992
    Inventor: Chung S. Hun