Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4867224 | Method of manufacturing castings of active metal or alloy thereof having unidirectional solidification structure | Saburo Wakita | 1989-09-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4867224 | Method of manufacturing castings of active metal or alloy thereof having unidirectional solidification structure | Saburo Wakita | 1989-09-19 |