Patents by Inventor Tu Feng-Jung

Tu Feng-Jung 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: 6191553
    Abstract: A portable charger, and particularly a portable charger for a mobile phone, includes a charger base having a reduced housing, an attaching mount, and a concealed plug. The charger base is provided with a pair of slide hooks, power contacts, stops, and an indicating light on a front side thereof. The attaching mount and the concealed plug are both provided on a back side of the charger base. The attaching mount is provided at an upper end of the back side of the charger base and adapted to be attached to abelt of a user. The concealed plug is capable of being movably pulled out about an angle of 90 degrees to be inserted into an electrical socket for recharging purposes.
    Type: Grant
    Filed: August 25, 1998
    Date of Patent: February 20, 2001
    Inventor: Tu Feng-Jung