Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5144294 | Radio frequency message apparatus for aiding ambulatory travel of visually impaired persons | Louis W. Alonzi, David C. Smith, Gary J. Burlak | 1992-09-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5144294 | Radio frequency message apparatus for aiding ambulatory travel of visually impaired persons | Louis W. Alonzi, David C. Smith, Gary J. Burlak | 1992-09-01 |