Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10907843 | Ventilating system and method | Robert G. Penlesky, Mirko Zakula, Daniel L. Karst | 2021-02-02 |
| D908200 | Ventilation grill | Kenneth J. Jonas, Benjamin Thorpe Puffer, Michael J. Aleven | 2021-01-19 |