Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4824600 | Preparation of a suspension in preparation of powder making | Wolfgang Wagner | 1989-04-25 |
| 4804167 | Apparatus for making noble metal/non-noble metal composite powder | Michael Laboureur | 1989-02-14 |