Patents by Inventor Tien P. Nguyen

Tien P. Nguyen 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).

  • Silicone IOL tumbling process
    Patent number: 5571558
    Abstract: A process of removing flash from a molded silicone intraocular lens includes a step of tumbling the lens body in a tumbling media. The tumbling media includes a mixture of 0.5 mm diameter glass beads and 1.0 mm diameter glass beads, alcohol and water. This process applies to single piece and multipiece silicone IOLs.
    Type: Grant
    Filed: June 27, 1994
    Date of Patent: November 5, 1996
    Assignee: Chiron Vision Corporation
    Inventors: Tien P. Nguyen, Michael W. Orchowski, Moises A. Valle