Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8099981 | Apparatus for preheating batches of glass cullet | Hansjurgen Barklage, Wolfgang Cieleback | 2012-01-24 |
| 4955431 | Cooling device for an internal combustion engine and method for controlling such a cooling device | Roland Saur | 1990-09-11 |