Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D910470 | Airborne chemical hazard detection apparatus | John R. Zour | 2021-02-16 |
| 10247726 | Hazardous material detection and isolation distance apparatus and method | John R. Zour | 2019-04-02 |