Patents by Inventor Derlin Liou

Derlin Liou 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).

  • Powerfree glove and its making method
    Patent number: 5534350
    Abstract: A powderfree glove having an intermediate layer of elastomer made from rubber, an inside water-proof skin contact layer of polyurethane polymer, which permits the glove to be conveniently put on t he hand, and an outside water-proof lubricating layer of polyurethane polymer, which permits the glove to be easily stripped from the ceramic former when the glove is finished.
    Type: Grant
    Filed: December 28, 1994
    Date of Patent: July 9, 1996
    Inventor: Derlin Liou