Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4863519 | Method of making blocks, beams, pipes and building elements that can be sawn and nailed | — | 1989-09-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4863519 | Method of making blocks, beams, pipes and building elements that can be sawn and nailed | — | 1989-09-05 |