Patents by Inventor Holeung E. Tse

Holeung E. Tse 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).

  • Drill bit case and drill sharpener package
    Patent number: 5951385
    Abstract: A drill bit and sharpener package includes a case having two leaves pivotally mounted together along one edge by ring-shaped knuckles; a tube mounted within the compass of the knuckles and serving as a pintle about which said knuckles rotate, and a drill bit sharpener removably and replaceably mounted in the tube.
    Type: Grant
    Filed: July 25, 1997
    Date of Patent: September 14, 1999
    Assignee: Credo Tool Company
    Inventors: Debbie A. Newhouse, Holeung E. Tse