Patents by Inventor Ghi Chung Wang

Ghi Chung Wang 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 combination having two sections
    Patent number: 5957014
    Abstract: A tool includes a base having a stud for engaging with a tool bit and includes a handle having a bore for engaging with the stud of the base. A stem is secured to the handle for engaging with the tool bit. The handle has one or more engaging channels. The base has one or more catches for engaging with the engaging channels and for securing the base to the handle and for increasing the size of the tool. The base has a latch for engaging with the handle and for further securing the base to the handle. A shaft may couple the stud of the base to the stem.
    Type: Grant
    Filed: January 13, 1998
    Date of Patent: September 28, 1999
    Inventors: Hung Kui Tseng, Ghi Chung Wang, Kuo Chen Liu