Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11198083 | Filter cartridges; air cleaner assemblies; housings; features; components; and, methods | Daniel E. Adamek, Robert D. Johnston, Matthew A. Kalis, Richard P. Manahan | 2021-12-14 |
| 11107607 | Foamed polycarbonate separators and cables thereof | Srinivas Siripurapu, Stephen A. Thwaites | 2021-08-31 |
| 10971285 | Three-wire communication cable | Frederick J. Kelley, Gregg R. Szylakowski | 2021-04-06 |
| 10937569 | Fire resistant data communication cable | Gregg R. Szylakowski | 2021-03-02 |