Issued Patents 2022
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11358212 | Riser sleeve, method for producing a riser body for the riser sleeve as well as an expander element and core box for producing a riser body | Jörg Schäfer, Thomas Schäfer | 2022-06-14 |