Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4818282 | Method for recovering metal-carbide scrap by alloying | Erwin Wanetzky, Fernand Kuhlmann | 1989-04-04 |
| 4407488 | Distillation and sublimation apparatus comprising a condenser | Erwin Wanetzky, Fernand Kuhlmann | 1983-10-04 |