Patents by Inventor Geng-He Chen

Geng-He 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: 6488157
    Abstract: A stand includes a leverage base, two vertical rods, and a wheel supporting unit that is attached to the vertical rods and that is adapted to support a wheel thereon. The base has two fixed posts, which have upper ends that are connected respectively and telescopically to the vertical rods. The vertical rods are locked releaseably on the posts, thereby permitting adjustment of the heights of the supporting unit and the wheel.
    Type: Grant
    Filed: April 27, 2001
    Date of Patent: December 3, 2002
    Inventor: Geng-He Chen
  • Publication number: 20020117459
    Abstract: A stand includes a leverage base, two vertical rods, and a wheel supporting unit that is attached to the vertical rods and that is adapted to support a wheel thereon. The base has two fixed posts, which have upper ends that are connected respectively and telescopically to the vertical rods. The vertical rods are locked releaseably on the posts, thereby permitting adjustment of the heights of the supporting unit and the wheel.
    Type: Application
    Filed: April 27, 2001
    Publication date: August 29, 2002
    Inventor: Geng-He Chen