Patents by Inventor Wen Tsen Chen

Wen Tsen Chen 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: 6513558
    Abstract: A method of manufacturing carved wooden doors includes the steps of forming wooden blocks with different width but same height and joining them together at a vertical lateral side thereof, joining said wooden blocks together to form a rectangular member for carving, carving desired patterns on said rectangular member, and carving a transverse recess on said rectangular member and affixing a panel in said transverse recess to form a complete carved wooden door, whereby carved wooden doors can be manufactured at a faster speed than the conventional and joint connections of said wooden doors can be prevented from becoming loose thereby prolonging service life thereof.
    Type: Grant
    Filed: August 8, 2001
    Date of Patent: February 4, 2003
    Assignee: Cheng Ta Wood Industry, Ltd.
    Inventor: Wen Tsen Chen