Issued Patents All Time
Showing 51–53 of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5353903 | Transfer bridge for letter sorting systems | Otmar Kechel, Dieter Altenburg, Werner Frank | 1994-10-11 |
| 5171008 | Apparatus for stacking pieces of mail having a pressure roller | — | 1992-12-15 |
| 4838539 | Stacker for letters | — | 1989-06-13 |