Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8042465 | Method and device for switching between single-sided or straight printing mode and perfecting or recto/verso printing mode in a sheet-processing machine and reversing drum having the device | Karl-Heinz Helmstadter, Ernst-Christian Maschler | 2011-10-25 |