Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6677284 | Lubricant composition for ammonia based refrigerants with good seal performance | John Carl Tolfa, Hsinheng Li | 2004-01-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6677284 | Lubricant composition for ammonia based refrigerants with good seal performance | John Carl Tolfa, Hsinheng Li | 2004-01-13 |