Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6916876 | Powdered thickener preparations based on polyurethane and their use for thickening aqueous systems | Peter Manshausen, Frank Sauer, Thomas Steinhoff, Jan Mazanek, Christian Wamprecht +2 more | 2005-07-12 |
| 4299250 | Check and regulator valve | — | 1981-11-10 |