Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5625998 | Box-shaped self-supporting building unit and a method of construction thereof | — | 1997-05-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5625998 | Box-shaped self-supporting building unit and a method of construction thereof | — | 1997-05-06 |