Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5612299 | Lubricant composition for fluorinated refrigerants used in compression refrigeration systems | — | 1997-03-18 |
| 5595678 | Lubricant composition for ammonia refrigerants used in compression refrigeration systems | Lars I. Sj oholm, Thomas E. Rajewski | 1997-01-21 |