Patents by Inventor Patrick Yeo Siok Hui

Patrick Yeo Siok Hui 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).

  • Night light air freshener
    Patent number: 6478440
    Abstract: An air freshener dispenser is taught having plug-through capability as well as a night light. The dispenser is a plug-in diffuser for such active materials as fragrances and air fresheners, and eliminates the consumer problem of loss of an electrical outlet, by providing a receptacle into which another plug may be inserted. The dispenser uses replaceable cartridges of material to be dispensed, and provides a night light for those who desire such.
    Type: Grant
    Filed: March 10, 2000
    Date of Patent: November 12, 2002
    Assignee: S.C. Johnson & Son, Inc.
    Inventors: Thomas Jaworski, Tadahiko Nakagaki, Michael Thomas Milo, Kong Wai Ki, Patrick Yeo Siok Hui
  • Battery charger and synchronizing device
    Patent number: D443247
    Type: Grant
    Filed: June 2, 2000
    Date of Patent: June 5, 2001
    Assignee: Patria Design Centre Pte Ltd.
    Inventors: Lim Kok Chuan, Chin Ming Seng, Lee Aik Peng, Patrick Yeo Siok Hui