Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10628982 | Augmented reality techniques | Richard Earl Simpkinson, Eric T. Smith | 2020-04-21 |
| 7567172 | Wide area multipurpose tracking system | Bernard C. Nelson | 2009-07-28 |
| 7019642 | Wide area multipurpose tracking system | Bernard C. Nelson | 2006-03-28 |
| 6653937 | Wide area multipurpose tracking system | Bernard C. Nelson | 2003-11-25 |
| 6333690 | Wide area multipurpose tracking system | Bernard C. Nelson | 2001-12-25 |