Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10029289 | Variable-volume exhaust system | Ronald L. Wendorski, John William Enzenroth, Tony Podjaski, Kyle Rothmeyer, Anthony J. Rossi | 2018-07-24 |
| 5915960 | Direct gas-fired heating and ventilation system with passive control damper | Chris B. Check, Jay J. Schmidt | 1999-06-29 |