US2042973A
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Make-up of bridge members
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US1727085A
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|
Concrete bridge pier and pier foundation
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US1563676A
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Reenforced-concrete foundation and pier and method of sinking the same
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US1351588A
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|
Concrete dam
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US1288763A
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|
Deformed bar.
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US1106259A
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Drawbridge.
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US1106854A
|
|
Ice-house.
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CA162798A
|
|
Bridge
|
US1131019A
|
|
Reinforced-concrete slab construction.
|
CA138991A
|
|
Reinforced concrete construction
|
US1173901A
|
|
Reinforced concrete construction.
|
CA135461A
|
|
Concrete structure
|
US1036384A
|
|
Reinforced concrete construction.
|
US985119A
|
|
Steel-skeleton concrete construction.
|
CA131567A
|
|
Concrete construction
|
CA135460A
|
|
Concrete building
|
CA144071A
|
|
Cantilever bridge
|
US1025036A
|
|
Concrete building.
|
CA123636A
|
|
Bridge
|
US1256081A
|
|
Long-span cantaliver-bridge.
|