Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6582621 | Refrigerator oils for use with chlorine-free fluorocarbon refrigerants | Umekichi Sasaki, Hiroshi Hasegawa, Noboru Ishida | 2003-06-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6582621 | Refrigerator oils for use with chlorine-free fluorocarbon refrigerants | Umekichi Sasaki, Hiroshi Hasegawa, Noboru Ishida | 2003-06-24 |