Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5598718 | Refrigeration system and method utilizing combined economizer and engine coolant heat exchanger | Lars I. Sjoholm, Joseph E. LaBossiere | 1997-02-04 |
| 5596878 | Methods and apparatus for operating a refrigeration unit | Jay L. Hanson, James E. Nixon, Stanley O. Hoium | 1997-01-28 |