Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875342 | Temperature control means for a refrigerating apparatus | — | 1989-10-24 |
| 4831837 | Transporting system for refrigerated merchandise | Kozaburo Negishi, Riichi Sakano, Mamoru Sunaga, Shinji Matsubayashi | 1989-05-23 |
| 4827731 | Temperature control means for a refrigerating container | — | 1989-05-09 |