Patents by Inventor William Wei Ming Wu

William Wei Ming Wu 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: 20070289348
    Abstract: Certain embodiments of an apparatus for retaining keys are disclosed. In some embodiments, an apparatus comprises a fastener that can be attached to a purse or other items. The fastener can be coupled with a holding device that can allow a user to selectively attach or detach a keychain or other items. Various options for constructing embodiments of the apparatus are disclosed.
    Type: Application
    Filed: June 19, 2007
    Publication date: December 20, 2007
    Inventor: William Wei Ming Wu