Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839209 | Sheet-shaped, corrosion resistant parts of apparatus | Peter Hahnel, Erhard-Gunther Hoffmann | 1989-06-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839209 | Sheet-shaped, corrosion resistant parts of apparatus | Peter Hahnel, Erhard-Gunther Hoffmann | 1989-06-13 |