Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5111572 | Method of mechanical surface treatment of a blank metal sheet | Johann Langgartner | 1992-05-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5111572 | Method of mechanical surface treatment of a blank metal sheet | Johann Langgartner | 1992-05-12 |