Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6400139 | Methods and apparatus for electromagnetic position and orientation tracking with distortion compensation | Igor Khalfin | 2002-06-04 |
| 6377041 | Method and apparatus for determining electromagnetic field characteristics within a volume | Igor Khalfin | 2002-04-23 |