Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4826788 | Composition for producing foamed glass molded products | Heinz Dennert, Hans V. Dennert | 1989-05-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4826788 | Composition for producing foamed glass molded products | Heinz Dennert, Hans V. Dennert | 1989-05-02 |