Patents by Inventor Wei-Quan Ng

Wei-Quan Ng 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).

  • Fixture for an elevator system
    Patent number: 6629583
    Abstract: Fixture for an Elevator System A fixture using an electrophoretic display system is disclosed. Various construction details are developed which enable simplification of the wiring system for the elevator system.
    Type: Grant
    Filed: December 21, 2001
    Date of Patent: October 7, 2003
    Assignee: Otis Elevator Company
    Inventors: Mary Ann T. Valk, Bruce E. Zepke, Wei-Quan Ng
  • FIXTURE FOR AN ELEVATOR SYSTEM
    Publication number: 20030116385
    Abstract: A fixture using an electrophoretic display system is disclosed. Various construction details are developed which enable simplification of the wiring system for the elevator system.
    Type: Application
    Filed: December 21, 2001
    Publication date: June 26, 2003
    Inventors: Mary Ann T. Valk, Bruce E. Zepke, Wei-Quan Ng