Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4249461 | Ventilating system for a livestock building | Larry E. Christenson, John E. Gillette, Mark S. Mittleberg | 1981-02-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4249461 | Ventilating system for a livestock building | Larry E. Christenson, John E. Gillette, Mark S. Mittleberg | 1981-02-10 |