Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4909853 | Pigment preparations | Martin Wienkenhover, Volker Paulat, Hans Schulze, Karlheinz Wolf, Karl-Heinz Wieser | 1990-03-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4909853 | Pigment preparations | Martin Wienkenhover, Volker Paulat, Hans Schulze, Karlheinz Wolf, Karl-Heinz Wieser | 1990-03-20 |