Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4640384 | Emergency evacuation system for high-rise buildings | Igor Krasnov, Yury Bromberg | 1987-02-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4640384 | Emergency evacuation system for high-rise buildings | Igor Krasnov, Yury Bromberg | 1987-02-03 |