Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11774119 | Bottom-mounted whole house fan assembly | John Paul Calvanico, David Winsor Rillie | 2023-10-03 |
| 11592197 | Bottom-mounted whole house fan assembly | John Paul Calvanico, David Winsor Rillie | 2023-02-28 |