Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7009595 | Extended refreshable tactile graphic array for scanned tactile display | John W. Roberts, Bretton Swope, David W. Kardos, Volker Min, Michael Scott Sutton +4 more | 2006-03-07 |
| 6776619 | Refreshable braille reader | John W. Roberts, David W. Kardos | 2004-08-17 |
| 6692255 | Apparatus and method utilizing bi-directional relative movement for refreshable tactile display | John W. Roberts, David W. Kardos, Edwin Mulkens, Bretton Swope | 2004-02-17 |