Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4868039 | Structural panel incorporating clay grog and vermiculite and method for making said panel | — | 1989-09-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4868039 | Structural panel incorporating clay grog and vermiculite and method for making said panel | — | 1989-09-19 |