Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7836701 | Infrared suppression system | David W. Zack, John S. Chapkovich, III | 2010-11-23 |
| 7823375 | Infrared suppression system | David W. Zack, John S. Chapkovich, III | 2010-11-02 |
| 5596326 | Secondary surveillance radar interrogation system using dual frequencies | — | 1997-01-21 |
| 5400031 | Airport surface vehicle identification system and method | — | 1995-03-21 |