Issued Patents 2022
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11478739 | Flangeless air filter | Steve Williams | 2022-10-25 |
| 11401895 | Filter oil formulation | Steve Williams, Rick Daniels | 2022-08-02 |
| 11383194 | Reusable air filter system and method | Steve Williams | 2022-07-12 |
| 11351495 | HVAC home air filter | Steve Williams | 2022-06-07 |
| 11344832 | Air filter | Steve Williams | 2022-05-31 |
| 11331615 | Air filter | Steve Williams | 2022-05-17 |
| 11241647 | HVAC home air filter | Steve Williams | 2022-02-08 |