Patents by Inventor Kuo Hai-Ping

Kuo Hai-Ping 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).

  • Ball-hitting training device
    Patent number: 4555110
    Abstract: This invention relates to a device for the training of ball-hitting, and in particular for the batting practice of baseball, softball, and the like. The ball can make irregular movement in axial, radial and angular directions at the same time, thus offering the ball an unpredicable position, while requiring no power to drive the device.
    Type: Grant
    Filed: June 8, 1984
    Date of Patent: November 26, 1985
    Inventor: Kuo Hai-Ping