Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10495358 | Bi-directional cascade heat pump system | Lee R. Cline, Susanna Staubly Hanson, Brian J. Fiegen | 2019-12-03 |
| 10495359 | Bi-directional cascade heat pump system | Lee R. Cline, Susanna Staubly Hanson, Brian J. Fiegen | 2019-12-03 |