Patents by Inventor Man Tien Liu

Man Tien Liu 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).

  • Swingable exercising device
    Publication number: 20030190999
    Abstract: A swingable exercising device includes a main body, a handle, and a counterweight. The handle is pivotally mounted on the main body eccentrically, so that the main body may be rotated about the handle. The handle has two opposite sides each provided with a first handgrip and a second handgrip. The counterweight is mounted in the main body eccentrically, and is located opposite to the handle.
    Type: Application
    Filed: April 5, 2002
    Publication date: October 9, 2003
    Inventor: Man Tien Liu