Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5703342 | Temperature control method using empirically determined characteristics | Erwin Hoffmann, Jochen Skole | 1997-12-30 |
| 4318614 | Emission spectral analysis device | Heinz Falk, Erwin Hoffman | 1982-03-09 |