Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889177 | Method and apparatus for sand moulding composite articles with a die made of light alloy and a fibrous insert | Jean Charbonnier | 1989-12-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889177 | Method and apparatus for sand moulding composite articles with a die made of light alloy and a fibrous insert | Jean Charbonnier | 1989-12-26 |