Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8395480 | Low-frequency tag system and method | John K. Stevens, David Cramer, Paul Waterhouse, James Cassidy, Rodney D. Gilchrist | 2013-03-12 |
| 8115628 | Dot-tag visibility network architecture | John K. Stevens, David Cramer | 2012-02-14 |
| 7667606 | RF enabled surgical cart and use of same in operating room environment | Jay Pierce, Robert Griffin, John K. Stevens | 2010-02-23 |