Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4741463 | Ingate device and process for casting molten metals | Ernst Muller, Hans D. Grabowski, Adolf Trautwein | 1988-05-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4741463 | Ingate device and process for casting molten metals | Ernst Muller, Hans D. Grabowski, Adolf Trautwein | 1988-05-03 |