Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886702 | Process for the preparation of a coagulated material | Leonardus A. van der Heyden | 1989-12-12 |
| 4833173 | Coagulated materials | Leonardus A. van der Heyden | 1989-05-23 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886702 | Process for the preparation of a coagulated material | Leonardus A. van der Heyden | 1989-12-12 |
| 4833173 | Coagulated materials | Leonardus A. van der Heyden | 1989-05-23 |