Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9501918 | Human safety indicator | Darrel Eugene Self | 2016-11-22 |
| 9183719 | Human safety indicator | Kenneth C. Armstrong, Terrance Ransbury, Robert Smith, Darrel Eugene Self | 2015-11-10 |