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US1870808A
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Concrete floor construction
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US1846197A
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Metal tile structure
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US1870807A
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Tile and soffit means for concrete floor construction
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US1841887A
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Structural insert
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US1767067A
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Ceiling plate
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US1824817A
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Mounting for removable tile
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US1824816A
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Support lug for domes
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US1753463A
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Spreader for use with metal tiles
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US1747295A
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Floor and ceiling structure
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US1846196A
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Mounting strip for metal tiles
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US1729612A
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Concrete floor construction
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US1803109A
|
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Concrete form
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US1754942A
|
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Built-up stud for hollow partitions
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US1767066A
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Floor construction
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US1764042A
|
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Metal-tile structure
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US1846195A
|
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Removable metal tile structure for forming concrete floors
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US1846194A
|
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Metal tile
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US1654970A
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Construction frame
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US1777359A
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Sleeper holder
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US1777358A
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Sleeper mounting
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