Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4695796 | Magneto-optic measuring device | Hans Kindsvater, Hans Wall | 1987-09-22 |
| 4564292 | Refractometer | — | 1986-01-14 |
| 4252438 | Measurement of relative movement between two phases | Diether Haina, Wilhelm Waidelich | 1981-02-24 |