Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12263433 | Framed air filter with stabilizing flap | Fiona E. Menken, Kimberly W. Gerwig, Glen O. Gregerson | 2025-04-01 |
| 10921020 | Air filter comprising frame with bowed inner edge | Glen O. Gregerson, Jonathan M. Lise, Kimberly W. Menzenski | 2021-02-16 |