Patents by Inventor Ming Lang Ju

Ming Lang Ju 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: 5928809
    Abstract: A battery holder including a casing fastened to a back side of a mobile telephone to hold a battery for providing the necessary working voltage to the mobile telephone, and a cover plate pivoted to the casing, wherein the casing has a retaining flange downwardly extended from its top side; the cover plate has a bottom side pivoted to a bottom side of the casing, and a springy retaining strip integral with its top side, the springy retaining strip having a triangular retaining block which is forced into engagement with the retaining flange of the casing to hold the cover plate in place when the cover plate is closed on the casing.
    Type: Grant
    Filed: October 27, 1997
    Date of Patent: July 27, 1999
    Inventor: Ming Lang Ju