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US2644996A
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Waling member for sectionalized structure providing a common rectilinear surface
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US2602210A
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Shuttering for molding concrete walls in situ
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US2543939A
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Process for molding building slabs in position
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US2527035A
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Concrete roof
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US2598607A
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Molded roof structure and its production
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US2501877A
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Core shuttering suitable for molding hollow walls
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US2447670A
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Form for molding concrete in situ
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US2442962A
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Form for molding hollow concrete walls
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US2518186A
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Foundation templet for buildings
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US2449912A
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Mold for forming concrete walls in situ
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US2197318A
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Adjustably curvable structural sheet
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