| On August 16, 2011, the USPTO issued patent number eight million to Dr. Robert J. Greenberg, Kelly H. McClure and Arup Roy for a visual prosthesis that enhances visual perception for people who have lost their sight. |
| On August 16, 2011, the USPTO issued patent number eight million to Dr. Robert J. Greenberg, Kelly H. McClure and Arup Roy for a visual prosthesis that enhances visual perception for people who have lost their sight. |