Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5597612 | Process for the manufacture of paper webs having CF or CB layers for pressure-sensitive recording | Horst Schoen, Wolfram Friesen | 1997-01-28 |
| 5284813 | First sheet for copysets | — | 1994-02-08 |