Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4953297 | Method of and device for pocket ventilation in the drying section of a paper machine, in particular for high-speed paper machines | Pekka Eskelinen, Markku Karlsson, Raimo Virta | 1990-09-04 |