Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4867806 | Heat-resisting high-strength Al-alloy and method for manufacturing a structural member made of the same alloy | — | 1989-09-19 |
| 4853179 | Method of manufacturing heat resistant, high-strength structural members of sintered aluminum alloy | — | 1989-08-01 |
| 4834941 | Heat-resisting high-strength Al-alloy and method for manufacturing a structural member made of the same alloy | — | 1989-05-30 |