Patents by Inventor Rui-Tang Chen

Rui-Tang 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).

  • Patent number: 6016893
    Abstract: This invention relates to a multi-purpose traveling suitcase which comprises: (1) a backboard; (2) a fixed case attached to the lower front side of the backboard, wherein the fixed case has a pair of casters located at the lower front outer corners away from the backboard; (3) a swinging case attached to the upper side of the backboard, and (4) a scissor-like support at the back side of the backboard, wherein the scissor-like support comprises a pair of leg members and a pair of drive rod members, wherein the pair of leg members comprises a pair of leg wheels at the lower ends. The swinging case can be swung backward, which, with the support of the scissor-like support, turns the multi-purpose traveling suitcase into a stroller.
    Type: Grant
    Filed: November 13, 1997
    Date of Patent: January 25, 2000
    Inventors: Rui-Tang Chen, Joseph Chen