Patents by Inventor Hananiah Dalton

Hananiah Dalton 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
    Publication number: 20050168688
    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: Application
    Filed: October 6, 2004
    Publication date: August 4, 2005
    Inventors: Praful Doshi, James Fox, Philip Bentley, Jagvi Patel, Chidambar Kulkarni, Stephen Halbe, Hananiah Dalton