Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5593957 | Synthetic lubricating oil containing an ester and working fluid composition for refrigerating machine containing same | Nobutoshi Obara, Nobuhiko Shizuka | 1997-01-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5593957 | Synthetic lubricating oil containing an ester and working fluid composition for refrigerating machine containing same | Nobutoshi Obara, Nobuhiko Shizuka | 1997-01-14 |