Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4900375 | Magnesium-treated, decarburizingly-annealed cast iron material | Anton Alt, Peter Toelke, Ludwig Wilhelm | 1990-02-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4900375 | Magnesium-treated, decarburizingly-annealed cast iron material | Anton Alt, Peter Toelke, Ludwig Wilhelm | 1990-02-13 |