Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4295808 | Apparatus for the production of high-purity metal powder by means of electron beam heating | Herbert Stephan, Hans Aichert | 1981-10-20 |
| 4218410 | Method for the production of high-purity metal powder by means of electron beam heating | Herbert Stephan, Hans Aichert | 1980-08-19 |