Patents by Inventor Long-Tan See

Long-Tan See 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: 5989168
    Abstract: An exercise bed is composed of a front bed frame, a rear bed frame fastened pivotally with the front bed frame, a movable frame fastened with the rear bed frame and provided with a plurality of soft rollers arranged at various levels, a transmission motor mounted under the rear bed frame and connected with the movable frame, and an elastic cord fastened under the front bed frame and the rear bed frame. As the transmission motor is started, a pivoting portion of the front bed frame and the rear bed frame is actuated to bulge to urge the backbone and the back muscles of a person lying on the exercise bed.
    Type: Grant
    Filed: December 30, 1998
    Date of Patent: November 23, 1999
    Inventor: Long-Tan See