Patents by Inventor Wane Ming Ku

Wane Ming Ku 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).

  • Voice-actuated spherical tumbler
    Patent number: 5720644
    Abstract: A voice-actuated spherical tumbler including two hollow semi-spherical shells connected into a spherical housing, a mounting plate fixedly mounted inside one semi-spherical shell, a rocker supported on a spring to hold a weight, a voice-controlled circuit board, a motor controlled by the voice-controlled circuit board to turn the rocker, causing it to shift the center of gravity of the tumbler.
    Type: Grant
    Filed: November 4, 1996
    Date of Patent: February 24, 1998
    Inventor: Wane Ming Ku