Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4881576 | Hose for transport of refrigerant fluids and fuel oils | Tetsu Kitami | 1989-11-21 |
| 4880036 | Hose for refrigerating systems | Tetsu Kitami | 1989-11-14 |
| 4862923 | Air conditioning hose | Tetsu Kitami | 1989-09-05 |