Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5597612 | Process for the manufacture of paper webs having CF or CB layers for pressure-sensitive recording | Horst W. Heyer, Wolfram Friesen | 1997-01-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5597612 | Process for the manufacture of paper webs having CF or CB layers for pressure-sensitive recording | Horst W. Heyer, Wolfram Friesen | 1997-01-28 |