Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5237154 | Process for manufacturing a slotted hole screen | Wolfgang Ehmcke | 1993-08-17 |
| 4650125 | Method for sorting fiber stock, especially for manufacturing paper, and sorting apparatus for the performance of such method | — | 1987-03-17 |
| 4601819 | Sorting apparatus for fiber stock, especially for manufacturing paper | Wolfgang Siewert | 1986-07-22 |