Patents by Inventor Alex T. Washington

Alex T. Washington 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).

  • Dynamically stabilized contact lenses
    Patent number: 6491392
    Abstract: Stabilized contact lens are provided in which the stabilization zones are obtained by using spline or polynomials to describe one or more peripheral portions of a surface of the lens. The lens' stabilization zones are smoothly integrated into the lens providing a lens that is both effectively stabilized on the eye and comfortable for the lens wearer.
    Type: Grant
    Filed: December 8, 2000
    Date of Patent: December 10, 2002
    Assignee: Johnson & Johnson Vison Care, Inc.
    Inventors: Jeffrey H. Roffman, Philippe F. Jubin, Alex T. Washington
  • Dynamically stabilized contact lenses
    Publication number: 20020071094
    Abstract: Stabilized contact lens are provided in which the stabilization zones are obtained by using spline or polynomials to describe one or more peripheral portions of a surface of the lens. The lens' stabilization zones are smoothly integrated into the lens providing a lens that is both effectively stabilized on the eye and comfortable for the lens wearer.
    Type: Application
    Filed: December 8, 2000
    Publication date: June 13, 2002
    Inventors: Jeffrey H. Roffman, Philippe F. Jubin, Alex T. Washington
  • Rotationally stabilized contact lenses
    Publication number: 20020024631
    Abstract: The invention provides contact lenses that incorporate a coaxial stabilization zone to stabilize the orientation of the lens in relation to the eye.
    Type: Application
    Filed: July 9, 2001
    Publication date: February 28, 2002
    Inventors: Jeffrey H. Roffman, Brett A. Davis, Michael J. Collins, Alex T. Washington, Steven Newman