Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5506567 | Process for monitoring the openings to an enclosed space | Gunther Bichlmaier, Ferdinand Friedrich, Udo Teubert, Hans-Joachim Fach, Thomas Rupprecht +6 more | 1996-04-09 |