Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5228769 | Apparatus for illuminating the interior of an elevator car | Brigitte Sommerrock, Rolf W. Günther, Christian Schaffler | 1993-07-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5228769 | Apparatus for illuminating the interior of an elevator car | Brigitte Sommerrock, Rolf W. Günther, Christian Schaffler | 1993-07-20 |