Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8323563 | On-demand portable chlorine dioxide generator | David Ernest Richardson, Daniel Denevan | 2012-12-04 |
| 7964138 | On-demand portable chlorine dioxide generator | David Ernest Richardson, Daniel Denevan | 2011-06-21 |