Patents by Inventor Un-Chen Sen

Un-Chen Sen 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).

  • Decorative wooden water-bird
    Patent number: 4819805
    Abstract: A wooden water-bird having a plurality of compartments for receiving small articles such as coins, jewellery and other decorative articles. The compartments are slidable along a guideway formed within the interior of the wooden water-bird. A lock is disposed at one lateral face defining the tail section of the wooden water-bird.
    Type: Grant
    Filed: November 16, 1987
    Date of Patent: April 11, 1989
    Inventor: Un-Chen Sen