Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4964566 | Forced air ventilating device | James F. Matherly | 1990-10-23 |
| 4877182 | Crawl space ventilation system | James F. Matherly | 1989-10-31 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4964566 | Forced air ventilating device | James F. Matherly | 1990-10-23 |
| 4877182 | Crawl space ventilation system | James F. Matherly | 1989-10-31 |