Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4251907 | Method for the manufacture of thin-walled metal tubes | by Anneliese Bleckmann, heir | 1981-02-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4251907 | Method for the manufacture of thin-walled metal tubes | by Anneliese Bleckmann, heir | 1981-02-24 |