Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4696761 | De-foamer and processes for its production | Karlheinz Haubennestel, Alfred Bubat, Werner Spratte | 1987-09-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4696761 | De-foamer and processes for its production | Karlheinz Haubennestel, Alfred Bubat, Werner Spratte | 1987-09-29 |