Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5461435 | Method and an apparatus for checking the thresholds of a subject's perception of visual stimuli | Anders Heijl, Jonny Olsson | 1995-10-24 |
| 5381195 | Method and apparatus for testing a subject's perception of visual stimuli | Anders Heijl, Jonny Olsson | 1995-01-10 |