Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11433328 | Non-discharge backwash filter system | Steven James Goettl, John M. Goettl | 2022-09-06 |
| 11433329 | Non-discharge backwash filter system | Steven James Goettl, John M. Goettl | 2022-09-06 |