Patents by Inventor Chin-Ping Dai

Chin-Ping Dai 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).

  • Battery charger having a interchangeable plug device
    Patent number: 6320353
    Abstract: A battery charger having a detachable plug has a charger body and a changeable plug provided with a first plate and second plate. The second plate has at least two conductor blades extending out therefrom. The plug is detachably connected to the charger body by the first retaining device on the first plate and the second retaining device on the second plates. Therefore, the battery charger is securely and electrically insertable in an outlet of a power supply.
    Type: Grant
    Filed: January 24, 2001
    Date of Patent: November 20, 2001
    Assignee: Leader Electronics Inc.
    Inventors: Chung-Jung Chiu, Chin-Ping Dai, Jui-Feng Liao