Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9686822 | Glass-melting electrode with cooling device and cooling device for a glass-melting electrode | Helmut Perktold, Dietmar Sprenger | 2017-06-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9686822 | Glass-melting electrode with cooling device and cooling device for a glass-melting electrode | Helmut Perktold, Dietmar Sprenger | 2017-06-20 |