Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5687644 | Apparatus for expelling air from stacks of superimposed sheets | Norbert Rilitz, Holger Schauer | 1997-11-18 |
| 5623850 | Apparatus for ascertaining selected characteristics of sheets | Wolfram Szczepaniak, Frank Hornicke | 1997-04-29 |