Patents by Inventor Chiu-Lap Wong

Chiu-Lap Wong 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).

  • Ball-point pen
    Patent number: D337350
    Type: Grant
    Filed: April 6, 1992
    Date of Patent: July 13, 1993
    Assignee: Justide Industrial Limited
    Inventor: Chiu-Lap Wong
  • Pen
    Patent number: D363738
    Type: Grant
    Filed: January 25, 1995
    Date of Patent: October 31, 1995
    Assignee: Justide Industrial Limited
    Inventor: Chiu-Lap Wong