Issued Patents 2018
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10113550 | Ventilation system and method | Mirko Zakula, Robert G. Penlesky | 2018-10-30 |
| 10054127 | Speaker fan system and method | Benjamin Thorpe Puffer, Brent Elliott Coffey | 2018-08-21 |
| 9945580 | Ventilation system | Robert G. Penlesky, Mirko Zakula, John R. Adrian | 2018-04-17 |
| 9935438 | Door chime assembly | Kenneth J. Jonas | 2018-04-03 |