Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851191 | High strength and wear resistance copper alloys | Kun Seok Lee | 1989-07-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851191 | High strength and wear resistance copper alloys | Kun Seok Lee | 1989-07-25 |