Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4333833 | In-line disinfectant contactor | Brian J. Ratigan, James W. Davis | 1982-06-08 |
| 4237008 | Gravity flow disinfection contactor | Brian J. Ratigan, Robert N. Roop | 1980-12-02 |