Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4842925 | Process to manufacture a felt with flap and a felt produced thereby | Marcel Dufour | 1989-06-27 |
| 4842929 | Papermaker's wet press felt with predensified batt thereon | Marcel Dufour | 1989-06-27 |