Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4269258 | Core for molds for electrically melting metals for casting hollow ingots | Helmut Wallasch | 1981-05-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4269258 | Core for molds for electrically melting metals for casting hollow ingots | Helmut Wallasch | 1981-05-26 |