Issued Patents 2018
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9873070 | Method for preparing a precoat on the surface of the filter medium of a polishing filter, polishing filter and use of a polishing filter | Janne Kauppi, Yrjo Oinonen | 2018-01-23 |