Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5638754 | Apparatus for changing printing cylinder sleeves in printing machines | Bodo Steinmeier, Wilfried Kolbe | 1997-06-17 |
| 5609556 | Method and apparatus for manufacturing bags with strap-shaped carrying handles | Fred Rostalski, Diethard Obermeier, Ewald Steinweg, Wilfried Kolbe | 1997-03-11 |