Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D909222 | Alarm device | James Siminoff, Mark Siminoff, Ty Clark, Wen-Yo Lu, Andrew Louis Russell | 2021-02-02 |
| D907516 | Smoke and carbon monoxide sensor | Mark Siminoff, Timothy G. Wellener, Peter Gerstberger, Andrew Louis Russell, Christopher Loew | 2021-01-12 |