Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6930289 | Cooking stove and method for production and components thereof | Friedrich Siebers, Erich Rodek | 2005-08-16 |
| 6846760 | Flat float glass | Friedrich Siebers, Gerhard Lautenschlager, Otmar Becker | 2005-01-25 |