Patents by Inventor ZHANG DONGPAN

ZHANG DONGPAN 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: 20100315805
    Abstract: A flashlight is provided. The flashlight includes a housing having a first end and a second end. A light source is disposed at the first end of the housing. A battery is disposed in the housing. A sheath houses a plurality of lenses to focus the light. A radius of curvature for the lenses arranged farther from the light source being greater than a radius of curvature for lenses arranged closer to the light source.
    Type: Application
    Filed: November 4, 2009
    Publication date: December 16, 2010
    Applicant: Microfire Technology Company
    Inventor: ZHANG DONGPAN