Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8998690 | Window mounted safety net for an air conditioner | Douglas Birney Patrick | 2015-04-07 |
| 8414367 | Window mounted air conditioner safety net | Douglas Birney Patrick | 2013-04-09 |