Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9777941 | Heat recovery ventilator and rotary damper assembly | Robert Fischer | 2017-10-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9777941 | Heat recovery ventilator and rotary damper assembly | Robert Fischer | 2017-10-03 |