Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11054145 | Downdraft ventilation systems and methods | Brent Lillesand, Richard R. Sinur, Marjorie Schwanke | 2021-07-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11054145 | Downdraft ventilation systems and methods | Brent Lillesand, Richard R. Sinur, Marjorie Schwanke | 2021-07-06 |