Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4268404 | Additive for use in metal working | Gerhard Mietens, Franz-Josef Dany, Joachim Kandler | 1981-05-19 |
| 4203637 | Electrical power transmitting apparatus | Gerhard Mietens, Wilfried Krieger, Gunter Sorbe | 1980-05-20 |
| 4184932 | Electropolishing process | Gerhard Mietens, Helga Zygmann | 1980-01-22 |