Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6479833 | Fire alarm box with direct and scattered light detection and gas-sensitive layers | Anton Pfefferseder | 2002-11-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6479833 | Fire alarm box with direct and scattered light detection and gas-sensitive layers | Anton Pfefferseder | 2002-11-12 |