Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4622788 | Building structure, especially air raid shelter | Jan Paulsson | 1986-11-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4622788 | Building structure, especially air raid shelter | Jan Paulsson | 1986-11-18 |