Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5697155 | Method of manufacturing a branched pipe by internal high-pressure forming | Pierre Bonny, Thomas Huelsberg, Thoralf Nehls, Ralf Puenjer, Eckhard Reese +1 more | 1997-12-16 |