Patents by Inventor Hsien-Ying Chao

Hsien-Ying Chao 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).

  • Tool box
    Publication number: 20020179473
    Abstract: A tool box has a base casing and a cover casing engaging with the base casing. The base casing and the cover casing each has two rows of sockets to receive bits and screwdrivers. A hanging plate is disposed on a top portion of the base casing. A hook and an elastic clamp are disposed on the base casing. The elastic clamp engages with the hook. An opening is defined between the hook and the elastic clamp.
    Type: Application
    Filed: June 1, 2001
    Publication date: December 5, 2002
    Inventor: Hsien-Ying Chao
  • Tool box
    Patent number: D470046
    Type: Grant
    Filed: July 23, 2002
    Date of Patent: February 11, 2003
    Inventor: Hsien-Ying Chao