Patents by Inventor David Eister

David Eister 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).

  • Asymmetric intraocular lens injection cartridge
    Patent number: 6083231
    Abstract: A lens injector cartridge having an asymmetric bore. The asymmetric bore initiate; the folding of the lens on one side only, thereby reducing the amount of energy imparted to the lens and the potential for damage to the lens. The gentle folding of the lens also assists in positioning the travel of the haptics down the bore, thereby reducing the potential for damage to the haptics.
    Type: Grant
    Filed: April 19, 1999
    Date of Patent: July 4, 2000
    Assignee: Alcon Laboratories, Inc.
    Inventors: Stephen J. Van Noy, Kyle Brown, David A. Downer, David Eister, Lars D. Jensen
  • Asymmetric intraocular lens injection cartridge
    Patent number: 5947976
    Abstract: A lens injector cartridge having an asymmetric bore. The asymmetric bore initiates the folding of the lens on one side only, thereby reducing the amount of energy imparted to the lens and the potential for damage to the lens. The gentle folding of the lens also assists in positioning the travel of the haptics down the bore, thereby reducing the potential for damage to the haptics.
    Type: Grant
    Filed: June 2, 1998
    Date of Patent: September 7, 1999
    Assignee: Alcon Laboratories, Inc.
    Inventors: Stephen J. Van Noy, Kyle Brown, David A. Downer, David Eister, Lars D. Jensen