Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4896072 | Flashbulb with a heat shield | Ingo Duenisch | 1990-01-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4896072 | Flashbulb with a heat shield | Ingo Duenisch | 1990-01-23 |