Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6310562 | Method of indicating time remaining until traffic lights change | Mikhail Fedorovich Safronov | 2001-10-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6310562 | Method of indicating time remaining until traffic lights change | Mikhail Fedorovich Safronov | 2001-10-30 |