Patents by Inventor Sung-Yun Paik

Sung-Yun Paik 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).

  • Patent number: 6030352
    Abstract: A physical exercise device using a T-shaped bar, comprises: a vertical rod constituting the T-shaped bar and having a plurality of first height-adjusting holes; a hollow vertical rod telescopically fitted around the vertical rod and having a plurality of second height-adjusting holes; a horizontal rod horizontally secured to the hollow vertical rod and having a pair of footrests fixed thereto; a pair of vane-shaped cushioning plates attached to the pair of footrests, respectively, and each having a thinner front and a thicker rear; a base having a projection formed at one end thereof; and a seat secured onto the base and having a higher front and a lower rear.
    Type: Grant
    Filed: November 12, 1998
    Date of Patent: February 29, 2000
    Inventor: Sung-Yun Paik