Patents by Inventor Hsieh Ch'ing-Lung

Hsieh Ch'ing-Lung 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).

  • Mini electrical syringe needle destroyer
    Patent number: 4628169
    Abstract: A mini electrical syringe needle destroyer, consisting of a syringe needle destroyer, a neighboring needle detaching device contained in the same framework as the destroyer, and a needle collecting box that can be plugged into the framework for automatic collection of waste needles.
    Type: Grant
    Filed: November 16, 1983
    Date of Patent: December 9, 1986
    Inventor: Hsieh Ch'ing-Lung