Patents by Inventor Chen Cheng Nan

Chen Cheng Nan 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: 6938542
    Abstract: An embossing tool for embossing a sheet of material has a body formed with a fissure for receiving the sheet of material, a lever pivotably mounted about a pivot point on the body and a block positionable between the lever and the body. The block has an embossing face moveable along a first axis, and further has a center riser configured to receive the lever. At least one resilient member is provided, adjacent to the embossing face along a second axis, spaced apart from the first axis, and disposed between the block and the body. When the block is positioned between the lever and the body and when the lever is pivoted about the pivot point between a first position and a second position, the lever engages the block having the axially moveable embossing face to emboss the sheet of material.
    Type: Grant
    Filed: April 9, 2004
    Date of Patent: September 6, 2005
    Inventors: Lee Cheng Ho, Chen Cheng Nan