Patents by Inventor Wan-I Hsu

Wan-I Hsu 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: 5519181
    Abstract: An apparatus for guiding a wire on a machine tool including two guide heads through which a wire electrode passes. The two guide heads are spaced apart so that a workpiece mounted on a machine table can be placed between the guide heads for the wire electrode to work on. The two guide heads are firmly connected with two guide arms and also pivotally connected with a pivotal arm and an input arm. The two guide heads can be inclined or swung through a large angle.
    Type: Grant
    Filed: July 6, 1994
    Date of Patent: May 21, 1996
    Inventor: Wan-I Hsu