Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8442619 | System and method for detecting errors in position tracking systems used for medical applications | Dun Alex Li, Douglas Karl Johnson | 2013-05-14 |
| 7986826 | Method and system for correction of fluoroscope image distortion | Dun Alex Li, Peter Kelley, Andrey Litvin | 2011-07-26 |
| 7957582 | Method and system for correction of fluoroscope image distortion | Dun Alex Li, Peter Kelley, Andrey Litvin | 2011-06-07 |