Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8062588 | Ultrasonic sanitation device and associated methods | David W. Sparks | 2011-11-22 |
| 7959859 | Ultrasonic sanitation device and associated methods | David W. Sparks | 2011-06-14 |