Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4243698 | Method for producing a pigment coating | Wilhelm Schwedes, Alfred Joachim Wilhelm | 1981-01-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4243698 | Method for producing a pigment coating | Wilhelm Schwedes, Alfred Joachim Wilhelm | 1981-01-06 |