Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5181945 | High-temperature fabric filter media | — | 1993-01-26 |
| 4710207 | Air filtering apparatus with roller assembly for cleaning | Donald H. Rodgers | 1987-12-01 |
| 4461633 | Air filtering machinery with variable speed cleaning | — | 1984-07-24 |