Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9970389 | Antivortex device and method of assembling thereof | Alfredo Lopez, Gary D. Grayson | 2018-05-15 |
| 9260205 | Antivortex device for multi-outlet liquid reservoir | Gary D. Grayson | 2016-02-16 |