Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6733722 | Method for producing a moulded body from foamed metal | Robert Singer | 2004-05-11 |
| 6675864 | Method for producing a composite structure with a foamed metal core | Robert Singer, Frank Heinrich, Gerhard Grotzschel | 2004-01-13 |