Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6137914 | Method and format for storing and selectively retrieving image data | Adrianus Ligtenberg, William John Gulland | 2000-10-24 |
| 5682441 | Method and format for storing and selectively retrieving image data | Adrianus Ligtenberg, William John Gulland | 1997-10-28 |