Patents by Inventor Hsin Wang Chen

Hsin Wang 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).

  • Aluminum business card box
    Patent number: 7004312
    Abstract: An aluminum business card box comprises a main box and a drawer box. A top cover is on the top of the main box and a containing slot is arranged in the middle part thereof. The inserting slot accommodates the ID badge. And a drawer cover is on one end of the drawer box to forms a space for business cards to store in. Users can insert ID badge into the main box and have business cards stored in the drawer box.
    Type: Grant
    Filed: October 22, 2003
    Date of Patent: February 28, 2006
    Inventor: Hsin Wang Chen