Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4819396 | Insulated concrete masonry unit with low density heat bridges | — | 1989-04-11 |
| 4670204 | Process of producing an insulated concrete masonry unit with low density heat bridges | — | 1987-06-02 |
| 4527373 | Insulated concrete masonry unit with low density heat bridges | — | 1985-07-09 |