Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4637877 | Filter disc | James A. Martin, Jr. | 1987-01-20 |
| 4218324 | Filter element having removable filter media member | Larry C. Augustine, Daniel J. Ryan | 1980-08-19 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4637877 | Filter disc | James A. Martin, Jr. | 1987-01-20 |
| 4218324 | Filter element having removable filter media member | Larry C. Augustine, Daniel J. Ryan | 1980-08-19 |