Patents by Inventor Stephen D. Halbe

Stephen D. Halbe 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).

  • Tinted lenses and methods of manufacture
    Patent number: 7267846
    Abstract: The present invention recognizes that lenses, such as contact lenses, can be pigmented using an ink that includes oligomers, polymers or polymerizable monomers. The ink can be used to make images on or within the lens. Images made using these inks are may be digital or analogue and can be used in a variety of printing methods, including ink-jet printing.
    Type: Grant
    Filed: October 6, 2004
    Date of Patent: September 11, 2007
    Inventors: Praful Doshi, James Edward Fox, Philip Gareth Bentley, Jagvi Ramesh Patel, Chidambar L. Kulkarni, Stephen D. Halbe, Hananiah J. Dalton