Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4836863 | Wrought material of aluminum alloy to be anodized gray and process for making the same | Mamoru Matsuo | 1989-06-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4836863 | Wrought material of aluminum alloy to be anodized gray and process for making the same | Mamoru Matsuo | 1989-06-06 |