Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11179665 | Nestable framed pleated air filter and method of making | Andrew R. Fox, John J. Rogers, Stephen M. Sanocki, Kannan Seshadri | 2021-11-23 |
| 10921020 | Air filter comprising frame with bowed inner edge | Glen O. Gregerson, Kimberly W. Menzenski, David W. Ziemann | 2021-02-16 |