Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6871629 | Refrigeration system with low-fuel shutdown | Jay L. Hanson, Thomas R. Sem, Steve Brenneman | 2005-03-29 |
| 4960088 | Low fuel shut-off system | Robert K. Havemann, Herman H. Viegas | 1990-10-02 |