Patents by Inventor Sherry Chen

Sherry Chen 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).

  • Punching aid
    Patent number: 6251051
    Abstract: A punching aid includes a column disposed above a base, a pad adjustably attached onto the column, and a flexible device secured between the base and the column to provide a flexibility to the column relative to the base. The flexible device includes two couplers secured to the ends. The base and the column each includes a stud engaged into and secured to the couplers for securing the flexible device between the column and the base. The couplers each has a protrusion and a disc engaged into the flexible device for solidly securing the flexible device to the base and the column.
    Type: Grant
    Filed: October 27, 1999
    Date of Patent: June 26, 2001
    Inventor: Sherry Chen
  • Punching aid
    Patent number: 6183399
    Abstract: A punching aid includes a column disposed above a base, a pad adjustably attached onto the column, and a flexible device secured between the base and the column to provide a flexibility to the column relative to the base. The flexible device includes two couplers secured to the ends. The couplers each has a protrusion and a disc engaged into the flexible device for securing the flexible device to the base and the column. A protective sleeve is engaged onto the flexible device for shielding the flexible device and for preventing the protective sleeve from hurting people.
    Type: Grant
    Filed: January 5, 2000
    Date of Patent: February 6, 2001
    Inventor: Sherry Chen
  • Massage device for feet
    Patent number: D451607
    Type: Grant
    Filed: March 9, 2001
    Date of Patent: December 4, 2001
    Inventor: Sherry Chen
  • Massage device for feet
    Patent number: D452327
    Type: Grant
    Filed: January 18, 2001
    Date of Patent: December 18, 2001
    Inventor: Sherry Chen