Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4421541 | Process and device for the manufacture of glass by flotation | Gaston Eischen, Helmut Gowert, Rainer Grablowitz, Michel Pernet | 1983-12-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4421541 | Process and device for the manufacture of glass by flotation | Gaston Eischen, Helmut Gowert, Rainer Grablowitz, Michel Pernet | 1983-12-20 |