Patents by Inventor Tsung-Li Lee

Tsung-Li Lee 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).

  • Three-dimensionally adjustable supporting and locking mechanism
    Patent number: 4402670
    Abstract: A mechanism for locking a dental model in a desired position of adjustment includes a sphere, an elongated member extending through an opening in the sphere, and means for gripping the sphere in a selected rotational position while at the same time gripping the elongated member in a selected longitudinal position.
    Type: Grant
    Filed: August 24, 1981
    Date of Patent: September 6, 1983
    Inventor: Tsung-Li Lee