Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9623473 | Method for producing a ring-pull top from a steel sheet provided with a protective layer and a ring-pull top produced thereby | Dirk Matusch, Burkhard Kaup, Reiner Sauer | 2017-04-18 |