Issued Patents 2019
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10512872 | HVAC home air filter | Steve Williams | 2019-12-24 |
| 10493392 | Air filter | Steve Williams | 2019-12-03 |
| 10456727 | Reusable air filter system and method | Steve Williams | 2019-10-29 |
| 10434466 | HVAC system air filter | Steve Williams | 2019-10-08 |
| 10294897 | Filter oil formulation | Steve Williams, Rick Daniels | 2019-05-21 |