Patents by Inventor Young S. Woo

Young S. Woo 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).

  • Pipe wrench
    Patent number: 5251518
    Abstract: A pipe wrench capable of turning pipes or rods in a convenient manner is disclosed. The wrench includes a handle portion and a pivotable portion, and these two portions are connected through a hinge portion. The pivotable portion pivotally closes and opens the mouth of the pipe wrench, and a pipe to be turned is secured to a rectangular corner of the pivotable portion, so that pipes and rods can be turned in a convenient manner.
    Type: Grant
    Filed: August 6, 1992
    Date of Patent: October 12, 1993
    Inventor: Young S. Woo
  • Wrench
    Patent number: D362603
    Type: Grant
    Filed: August 17, 1994
    Date of Patent: September 26, 1995
    Inventor: Young S. Woo