Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4707116 | Exposure device | Winfried Newiger, Harry Rach, Michael Kiessling | 1987-11-17 |
| 4666294 | Apparatus for exposure of both sides of printed circuit plates | Horst Gelbert, Walter Grimm, Michael Kiessling, Winifred Newiger, Hans Werner | 1987-05-19 |