Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4477249 | Flame-producing sound-emitting device | Zdenka F. RUZEK, Pavel O. Ruzek | 1984-10-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4477249 | Flame-producing sound-emitting device | Zdenka F. RUZEK, Pavel O. Ruzek | 1984-10-16 |