| 1544478 | Building block | |||
| 1559582 | Joist-supporting bracket | |||
| 1809504 | Building construction | |||
| 1982217 | Unit concrete wall construction | |||
| 2017587 | Masonry faced wall board and process of producing the same | |||
| 2122696 | Fabricated brick wall panel construction | |||
| 2222576 | Panel wall construction | |||
| 2234797 | Slab construction | |||
| 2248348 | Wall construction | |||
| 2372038 | Building construction |
| GB382723A | ||||
| GB402426A |