Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4847841 | Magnetic field source for an ion laser | by Thekla Lamprecht, heir, by Simon Lamprecht, heir, Guenter Funk, Hans Krueger | 1989-07-11 |
| 4841539 | Gas laser discharge tube with ceramic wafers and cooling wafers in a stack | Guenther Hahn, Hans Krueger, Werner Seiffarth | 1989-06-20 |
| 4841540 | Gas laser arrangement | Hans Krueger, by Thekla Lamprecht, heir, by Simon Lamprecht, heir, Wilhelm Tiemann | 1989-06-20 |