Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8665525 | Shaped gradient lens | Donald N. Black, Enrique Jesus Ruiz, William M. Smith, John L. Beafore | 2014-03-04 |
| 8351127 | Shaped gradient lens | Donald N. Black, Enrique Jesus Ruiz, William M. Smith, John L. Beafore | 2013-01-08 |