Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6230437 | Plant stand | Billy C. Wolverton, Hiroharu Mizukoshi | 2001-05-15 |
| 5433923 | Indoor humidifier and air purifier | Billy C. Wolverton | 1995-07-18 |
| 5351438 | Planter container for indoor air purification | Billy C. Wolverton | 1994-10-04 |
| 5269094 | Apparatus for purifying waste water and air in an indoor environment | Billy C. Wolverton | 1993-12-14 |
| 5217696 | Combined lamp and indoor air purification apparatus | Billy C. Wolverton | 1993-06-08 |