Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4856883 | Method of and device for seeing objects including jump-like movements of an output image about a stationary main optical axis | — | 1989-08-15 |
| 4807988 | Method and device for evaluating vision | — | 1989-02-28 |
| 4801246 | Device for elevating liquids with a plurality of intermediate containers communicating with one another | — | 1989-01-31 |