US1620362A
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Girder
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US1638635A
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Girder
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US1638634A
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Girder
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US1638636A
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Electrically-welded girder
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US1638637A
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Girder
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US1492992A
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Composite metal work and method of making same
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US1493043A
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Preparing of metal plates for welding
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US1493042A
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Preparing of metal plates for welding
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US1416359A
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Method of side welding wires
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US1332670A
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Method of plugging holes in metal plates
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US1396442A
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Railing, gate, grille, &c.
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US1328927A
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Pole or post
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US1328926A
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Fencepost
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US1332669A
|
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Metal pole
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US1342818A
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Metallic structure
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CA245213A
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Process of electric welding
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CA245211A
|
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Method of preparing metal plates for welding
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CA245212A
|
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Method of preparing metal plates for welding
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CA245210A
|
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Composite metal work
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