Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5623794 | Framing structure apparatus and method for earth sheltered, multi-level structure | — | 1997-04-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5623794 | Framing structure apparatus and method for earth sheltered, multi-level structure | — | 1997-04-29 |