Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4719347 | Method and apparatus for investigating a sample under tension | Norbert Eisenreich, Adam Geissler, Klaus Fabry | 1988-01-12 |
| 4685804 | Method and apparatus for the measurement of the location or movement of a body | Norbert Eisenreich, Wolfgang Liehmann | 1987-08-11 |
| 4184748 | Device for expanding practically parallel light rays | Norbert Eisenreich | 1980-01-22 |