Issued Patents 2025
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1084220 | Filter unit | Mark C. Graff, James C.L. Guarino, Chad J. Rotter, Daniel Louis Sigmund, Steven J. Kuehl +2 more | 2025-07-15 |
| D1059542 | Filter unit | Mark C. Graff, James C.L. Guarino, Chad J. Rotter, Daniel Louis Sigmund, Steven J. Kuehl +2 more | 2025-01-28 |