Patents by Inventor Colin Howard Wess

Colin Howard Wess 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).

  • Multifocal contact lens and method and apparatus for making the same
    Patent number: 5743159
    Abstract: A monocentric, multivision contact lens having a single optical axis and an anterior side. A first spherical vision surface is disposed on a first portion of the anterior side and has a first radius of curvature and a first center of curvature disposed along the single optical axis. A second spherical vision surface is disposed on a second portion of the anterior side and has a second radius of curvature and a second center of curvature disposed along the single optical axis. A transition surface is disposed intermediate the first portion and the second portion and has a plurality of centers of curvature disposed along the single optical axis. A method of making a monocentric contact lens and a mandrel for mounting a lens on a lathe for producing a monocentric contact lens are disclosed.
    Type: Grant
    Filed: October 21, 1996
    Date of Patent: April 28, 1998
    Assignee: Tru-Form Optics, Inc.
    Inventors: Jan B. Svochak, Colin Howard Wess
  • Multifocal contact lens and method and apparatus for making the same
    Patent number: 5740707
    Abstract: A monocentric, multivision contact lens having a single optical axis and an anterior side. A first spherical vision surface is disposed on a first portion of the anterior side and has a first radius of curvature and a first center of curvature disposed along the single optical axis. A second spherical vision surface is disposed on a second portion of the anterior side and has a second radius of curvature and a second center of curvature disposed along the single optical axis. A transition surface is disposed intermediate the first portion and the second portion and has a plurality of centers of curvature disposed along the single optical axis. A method of making a monocentric contact lens and a mandrel for mounting a lens on a lathe for producing a monocentric contact lens are disclosed.
    Type: Grant
    Filed: October 21, 1996
    Date of Patent: April 21, 1998
    Assignee: Tru-Form Optics, Inc.
    Inventors: Jan B. Svochak, Colin Howard Wess
  • Multifocal contact lens and method and apparatus for making the same
    Patent number: 5724120
    Abstract: A monocentric, multivision contact lens having a single optical axis and an anterior side. A first spherical vision surface is disposed on first portion of the anterior side and has a first radius of curvature and a first center of curvature disposed along the single optical axis. A second spherical vision surface is disposed on a second portion of the anterior side and has a second radius of curvature and a second center of curvature disposed along the single optical axis. A transition surface is disposed intermediate the first portion and the second portion and has a plurality of centers of curvature disposed along the single optical axis. A method of making a monocentric contact lens and a mandrel for mounting a lens on a lathe for producing a monocentric contact lens are disclosed.
    Type: Grant
    Filed: October 2, 1995
    Date of Patent: March 3, 1998
    Inventors: Jan B. Svochak, Colin Howard Wess