Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7825858 | Methods and systems for frequency independent bearing detection | John C. Blessing, Weiguang Hou | 2010-11-02 |
| 7576686 | Method and system for calibrating an antenna array for an aircraft surveillance system | John C. Blessing | 2009-08-18 |
| 7439901 | Active phased array antenna for aircraft surveillance systems | David T. Mindrup, John C. Blessing | 2008-10-21 |