Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4877463 | Method for producing rolled steel products, particularly threaded steel tension members | Dieter Jungwirth, Hans Klein, Dieter Russwurm | 1989-10-31 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4877463 | Method for producing rolled steel products, particularly threaded steel tension members | Dieter Jungwirth, Hans Klein, Dieter Russwurm | 1989-10-31 |