Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9010019 | Plant air purification enclosure apparatus and method | — | 2015-04-21 |
| 8894741 | Water, light and airflow control system and configuration for a plant air purifier | — | 2014-11-25 |
| 8454729 | Micro-irrigation device, system, and method for plant-based cleaning of indoor air and filter bed bioregeneration | Billy C. Wolverton | 2013-06-04 |
| 8083835 | Micro-irrigation device, system, and method for plant-based cleaning of indoor air and filter bed bioregeneration | Billy C. Wolverton | 2011-12-27 |