Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4640051 | Adjustment mechanism for tiltable glazed sashes | Helmut Maier, Ralf Storandt, by Renate Guenther, legal representative, by Sabine Guenther, legal representative | 1987-02-03 |