Patents by Inventor Cheung T. Hoi

Cheung T. Hoi 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).

  • Patent number: 4321657
    Abstract: This invention relates to torches.The torch comprises a body defining a case for a replaceable battery, the body being formed with a handle. The torch is provided with a flashing light assembly and a fluorescent light assembly which is detachably secured to the body.The flashing light assembly is slidably mounted in the body to either expose a flashing light or conceal the flashing light.The fluorescent light assembly can either be attached to the body by suitable means, or detached from the body while remaining connected to the battery in the body by a lead. If desired the lead can be disconnected from the battery in the body and reconnected to an alternative power source, such as a car battery.
    Type: Grant
    Filed: February 11, 1980
    Date of Patent: March 23, 1982
    Assignee: Freezinhot Bottle Co., Ltd.
    Inventor: Cheung T. Hoi
  • Patent number: D266703
    Type: Grant
    Filed: November 20, 1979
    Date of Patent: October 26, 1982
    Assignee: Freezinhot Bottle Co., Ltd.
    Inventor: Cheung T. Hoi