Issued Patents 2022
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11339750 | Combustion air filtration apparatus | Alan D. Sheidler, Gary H. Knapp | 2022-05-24 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11339750 | Combustion air filtration apparatus | Alan D. Sheidler, Gary H. Knapp | 2022-05-24 |