Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4544270 | Apparatus for the spectrographic analysis of workpieces formed from iron and steel alloys | Wilhelm Berstermann, Egon Koerfer | 1985-10-01 |
| 4340303 | Arrangement for the spectral analysis of substances | Wilhelm Berstermann | 1982-07-20 |