Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4831061 | Polyamide powder formed by particles having a gypsum rose structure and process for preparing such powder | Roland Guerin | 1989-05-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4831061 | Polyamide powder formed by particles having a gypsum rose structure and process for preparing such powder | Roland Guerin | 1989-05-16 |