Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6826117 | Tracking, safety and navigation system for firefighters | Wayne C. Haase, Zachary S. Haase, Paul M. Chizinski, Donald B. Bruck | 2004-11-30 |
| 6504794 | Tracking, safety and navigation system for firefighters | Wayne C. Haase, Zachary S. Haase, Paul M. Chizinski, Donald B. Bruck | 2003-01-07 |