Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4822272 | Mandrel for use in a manufacture of an article made of composite material | Tatsuya Yamamoto | 1989-04-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4822272 | Mandrel for use in a manufacture of an article made of composite material | Tatsuya Yamamoto | 1989-04-18 |