Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4964956 | Method of and a device for leading a web moving between two wires on to a desired wire | Veikko Lamminen, Erkki Hietikko | 1990-10-23 |
| 4923568 | Dewatering zone in a papermachine | Erkki Hietikko | 1990-05-08 |