Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6895330 | System for the visually impaired to navigate a route through a facility | Robert Thomas Cato, Thomas J. Sluchak | 2005-05-17 |
| 6839629 | Method and system for the visually impaired to navigate a route through a facility | Robert Thomas Cato, Thomas J. Sluchak | 2005-01-04 |