Patents by Inventor Paul O. Burk

Paul O. Burk 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).

  • Aspheric intraocular lens
    Patent number: 4504982
    Abstract: An intraocular lens for permanent implantation into a human eye is provided. The lens has at least one aspheric surface.
    Type: Grant
    Filed: August 5, 1982
    Date of Patent: March 19, 1985
    Assignee: Optical Radiation Corporation
    Inventor: Paul O. Burk