Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4805591 | Firebox of prefabricated blocks, assemblage therefor and method of assembly | — | 1989-02-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4805591 | Firebox of prefabricated blocks, assemblage therefor and method of assembly | — | 1989-02-21 |