Patents by Inventor Robert James Kellar

Robert James Kellar 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).

  • Intraocular lens tumbling process using coated beads
    Patent number: 5961370
    Abstract: A method of processing a soft or foldable lens includes a step of tumbling (grinding) the lens in a tumbling medium. The tumbling medium includes a mixture of glass beads coated with an abrasive material, alcohol and water. This process applies to single piece and multipiece soft lenses.
    Type: Grant
    Filed: May 8, 1997
    Date of Patent: October 5, 1999
    Assignee: Chiron Vision Corporation
    Inventors: Moises A. Valle, Akira Yamada, Robert James Kellar