Patents by Inventor Jeff J. Wittern

Jeff J. Wittern 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).

  • Progressive Multifocal Rigid Gas Permeable Contact Lens
    Publication number: 20150085246
    Abstract: A large diameter, rigid, gas permeable, corneal-scleral progressive, multifocal vision contacty lens that covers the cornea and a portion of the sclera of an eye. It is particularly beneficial for use on patients who have undergone refractive surgery and/or on patients experiencing presbyopia. The lens is designed to have dual touch contact with an eye. One contact point is the central portion of the cornea and the other contact point is a portion of the sclera.
    Type: Application
    Filed: September 17, 2014
    Publication date: March 26, 2015
    Applicant: DAKOTA SCIENCES, INC.
    Inventors: Russell Franques, Jeff J. Wittern
  • Progressive multifocal rigid gas permeable contact lens
    Patent number: 8857982
    Abstract: A contact lens is provided. It is a rigid gas permeable, corneal-scleral progressive, multifocal, vision lens that covers the cornea and a portion of the sclera of an eye. It is particularly beneficial for use on patients who have undergone refractive surgery and/or on patients experiencing presbyopia. The lens is designed to have dual touch contact with an eye. One contact point is the central portion of the cornea and the other contact point is a portion of the sclera.
    Type: Grant
    Filed: November 11, 2013
    Date of Patent: October 14, 2014
    Assignee: Dakota Sciences, Inc.
    Inventors: Russell Franques, Jeff J. Wittern
  • Progressive Multifocal Rigid Gas Permeable Contact Lens
    Publication number: 20140092359
    Abstract: A contact lens is provided. It is a rigid gas permeable, corneal-scleral progressive, multifocal, vision lens that covers the cornea and a portion of the sclera of an eye. It is particularly beneficial for use on patients who have undergone refractive surgery and/or on patients experiencing presbyopia. The lens is designed to have dual touch contact with an eye. One contact point is the central portion of the cornea and the other contact point is a portion of the sclera.
    Type: Application
    Filed: November 11, 2013
    Publication date: April 3, 2014
    Applicant: DAKOTA SCIENCES, INC.
    Inventors: Russell Franques, Jeff J. Wittern
  • Progressive multifocal rigid gas permeable contact lens
    Patent number: 8632187
    Abstract: A contact lens is provided. It is a rigid gas permeable, corneal-scleral progressive, multifocal, vision lens that covers the cornea and a portion of the sclera of an eye. It is particularly beneficial for use on patients who have undergone refractive surgery and/or on patients experiencing presbyopia. The lens is designed to have dual touch contact with an eye. One contact point is the central portion of the cornea and the other contact point is a portion of the sclera.
    Type: Grant
    Filed: April 18, 2010
    Date of Patent: January 21, 2014
    Assignee: Dakota Sciences, Inc.
    Inventors: Russell Franques, Jeff J. Wittern