Patents by Inventor Ying-Tsung Liu

Ying-Tsung 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).

  • Publication number: 20100016100
    Abstract: A batting training device includes a telescopic prop, a base, a plurality of support members, and a limiting unit. The telescopic prop has top and bottom ends. The base is connected to the bottom end of the prop. Each of the support members has a pivot end pivoted to the base, and a ground contacting end opposite to the pivot end. Each of the support members is pivotable upwardly relative the base from an unfolded position to a folded position. The limiting unit is provided on the base and has a plurality of blocking portions. The blocking portions are movable relative to the base between a blocking position and an unblocking position.
    Type: Application
    Filed: July 17, 2008
    Publication date: January 21, 2010
    Applicant: SHYR SHENG ENTERPRISE CO., LTD.
    Inventors: Jui-Ju Liu, Ying-Tsung Liu