Patents by Inventor Charles S. Kang

Charles S. Kang 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).

  • Telescoping straw assembly for drinking beverages
    Patent number: 4909437
    Abstract: A telescoping straw assembly includes an inner straw resiliently biased within an outer straw. The assembly may be placed within a container so that upon opening the container the inner straw extends beyond the container opening to become available for drinking.
    Type: Grant
    Filed: June 27, 1988
    Date of Patent: March 20, 1990
    Inventor: Charles S. Kang