Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5344490 | Plasticised gypsum composition | Peter Paul Roosen, Gerard Henry Koldyk | 1994-09-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5344490 | Plasticised gypsum composition | Peter Paul Roosen, Gerard Henry Koldyk | 1994-09-06 |