Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4664799 | Receiver for purifying liquids | Erika Spriewald, Heinz Meckl | 1987-05-12 |
| 4457495 | Apparatus for the automatic recovery of silver from argentiferous wash waters | Hans Hofmann, Joachim Kloeppel, Heinz Meckl, Josef Busch | 1984-07-03 |