Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6565352 | Smoke density monitor | Ken E. Nielsen | 2003-05-20 |
| 6432288 | Oxygen monitor | Ken E. Nielsen | 2002-08-13 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6565352 | Smoke density monitor | Ken E. Nielsen | 2003-05-20 |
| 6432288 | Oxygen monitor | Ken E. Nielsen | 2002-08-13 |