Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5211768 | Method of nitriding work pieces of steel under pressure | Friedrich Preisser | 1993-05-18 |
| 4470370 | Means for loading vapor coating materials into an evaporator | Lothar Rachor, Erwin Eichinger, Peter Scheyrer | 1984-09-11 |
| 4426581 | Arrangement for measuring radioactivity concentrations | Hans-Jurg Kreiner, Wilhelm Zimmer | 1984-01-17 |
| 4405431 | Apparatus for partial electrolytic coating of individual metal parts | Alfred Pfeifer, Dietmar Holdt | 1983-09-20 |