Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10422718 | Test device and method for testing a mirror | Hans-Michael Stiepan, Jochen Hetzler | 2019-09-24 |
| 10337850 | Interferometric measuring arrangement | Jochen Hetzler, Hans-Michael Stiepan, Karl-Heinz Schuster | 2019-07-02 |