Patents by Inventor Machfud Daniel

Machfud Daniel 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).

  • Chair with orthopedic back support
    Patent number: 5494332
    Abstract: A chair includes a seat back containing a pillow through which extends a non-circular shaft. Rotation handles at opposite ends of the shaft enable rotation of the pillow to a desired arch. The pillow is located underneath an outer flexible covering of the seat back.
    Type: Grant
    Filed: May 19, 1994
    Date of Patent: February 27, 1996
    Inventor: Machfud Daniel