Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4372581 | Pressure sensitive copying material | Hermann Schumacher, Tilman Molineus | 1983-02-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4372581 | Pressure sensitive copying material | Hermann Schumacher, Tilman Molineus | 1983-02-08 |