Patents by Inventor Ho-Tsung Fang

Ho-Tsung Fang 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).

  • Door of concavity surface
    Patent number: 5003745
    Abstract: A door includes a board having opposed depressed portions formed in major opposed side walls and two thermoplastic sheets respectively attached to the major side walls of the board and having depressed portions shaped or embossed with decorative designs, fitted in the depressed portions of the board.
    Type: Grant
    Filed: January 22, 1990
    Date of Patent: April 2, 1991
    Inventor: Ho-Tsung Fang