Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12274961 | Apparatus with improved grit removal | John K. Kelly, Alexander P. Zuzelski, Rodney S. Mrkvicka | 2025-04-15 |
| 11371234 | Circular parallel plate grit remover | John K. Kelly, Alexander P. Zuzelski, Rodney S. Mrkvicka | 2022-06-28 |