Patents by Inventor Keng Wah Kong

Keng Wah Kong 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).

  • Method and system for refilling an ink cartridge
    Patent number: 6273151
    Abstract: An ink cartridge refilling system and method of refilling an ink cartridge is disclosed. The system includes a syringe, a receiving portion and a connector for connecting the syringe in fluid communication with the receiving portion and thereby with an ink cartridge to be refilled with ink. Operation of the syringe causes ink to flow through the connector and into an ink cartridge received in the receiving portion.
    Type: Grant
    Filed: March 9, 2000
    Date of Patent: August 14, 2001
    Assignee: Kong Keng Wah
    Inventor: Keng Wah Kong