Patents by Inventor Hwang-Shan Jang

Hwang-Shan Jang 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: 5169145
    Abstract: A handle comprised of a rod base sleeved with a front socket, a rear socket and an intermediate socket respectively retained in place by nuts and compression springs, the rod base comprising a collar with a name plate mounted thereon, and a notched ring formed into a set of teeth respectively spaced by a set of grooves, the rear socket having one end formed into two symmetrical sets of teeth respectively spaced by a set of grooves, the intermediate socket having two opposite ends respectively formed into a set of teeth respectively engaged with the teeth on the notched ring and the rear socket. By changing the engagement order of the teeth of the intermediate socket with the teeth of the notched ring and the teeth of said rear socket, the total length of the handle is changed.
    Type: Grant
    Filed: June 5, 1992
    Date of Patent: December 8, 1992
    Inventor: Hwang-Shan Jang