Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6627172 | Process for preparing sulphuric acid from gases containing SO3 and gaseous nitrosylsulphuric acid | Roland Fach | 2003-09-30 |
| 6562216 | Method of coating an internal surface of a weapon barrel | Gert Schlenkert, Horst Reckeweg | 2003-05-13 |