Patents by Inventor Kuei-Lan Ma

Kuei-Lan Ma 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).

  • EXERCISING DEVICE
    Publication number: 20040033871
    Abstract: An exercising device includes a seat frame, an oscillation frame, a first resistance device, a support frame, a chest pull mechanism, and a second resistance device. Thus, the exercising device may provide a damping and resisting effect during the reciprocal stroke of operation, thereby efficiently obtaining a body exercising effect successively.
    Type: Application
    Filed: August 13, 2002
    Publication date: February 19, 2004
    Inventor: Kuei-Lan Ma