Patents by Inventor CHO YAO-LIN

CHO YAO-LIN 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).

  • Publication number: 20100053944
    Abstract: A telescopic flashlight includes a handle provided to receive a battery for providing power. A telescopic shaft is selectively and longitudinally received in the handle. The telescopic shaft includes a series of sleeves slidably received one by one. Each sleeve has a stop structure longitudinally formed thereon to prevent the series of sleeves from rotating relative to one another. A light element is mounted to a free end of the telescopic shaft.
    Type: Application
    Filed: September 1, 2008
    Publication date: March 4, 2010
    Inventor: CHO YAO-LIN