Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6575228 | Ventilating dehumidifying system | Leisha J. Rotering, Russell A. Straate, Brad Terlson | 2003-06-10 |
| 6328095 | Heat recovery ventilator with make-up air capability | Steven M. Felber, Timothy J. Kensok, Leisha J. Rotering, Timothy J. Smith, Russell A. Straate +1 more | 2001-12-11 |