Patents by Inventor Mei Yi Zhu

Mei Yi Zhu 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: 6237789
    Abstract: The invention concerns a burglar-proof container comprising a hollow body with its closing device, said hollow body comprising a fragile line (4) located on its neck (1) at some distance from the top of its mouth, which will be broken and destroyed if the container is opened.
    Type: Grant
    Filed: July 15, 1999
    Date of Patent: May 29, 2001
    Inventor: Mei Yi Zhu