Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5915620 | Apparatus for heating and ventilating a farm enclosure | David J. Mille | 1999-06-29 |
| 5123595 | Method and apparatus for heating and ventilating a poultry house | — | 1992-06-23 |