Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4208460 | Process for producing paper having a coating of pressure-sensitive transfer copying material | Bruno Knechtle | 1980-06-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4208460 | Process for producing paper having a coating of pressure-sensitive transfer copying material | Bruno Knechtle | 1980-06-17 |