Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6527391 | Method and an apparatus for performing a visual field test, and computer programs for processing the results thereof | Anders Heijl, Boel Bengtsson | 2003-03-04 |
| 5598235 | Method and an apparatus for testing a subject's response to visual stimuli | Anders Heijl, Holger Rootz en | 1997-01-28 |
| 5461435 | Method and an apparatus for checking the thresholds of a subject's perception of visual stimuli | Holger Rootzen, Anders Heijl | 1995-10-24 |
| 5381195 | Method and apparatus for testing a subject's perception of visual stimuli | Holger Rootzen, Anders Heijl | 1995-01-10 |