Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4970051 | Process for the introduction of nitrogen into cast iron | Friedrich Wolfsgruber, Hartmut Meyer-Grunow, Detlef Missol, Jochem Richter | 1990-11-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4970051 | Process for the introduction of nitrogen into cast iron | Friedrich Wolfsgruber, Hartmut Meyer-Grunow, Detlef Missol, Jochem Richter | 1990-11-13 |