Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4741463 | Ingate device and process for casting molten metals | Ernst Muller, Hans D. Grabowski, Hans-Joachim Bohm | 1988-05-03 |
| 4285725 | Non-magnetizable steel casting alloy, its use and process of manufacture | Walter Gysel | 1981-08-25 |