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US1985150A
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Metallic studding and plate
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US1739824A
|
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Block for steel studding and the like
|
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US1755503A
|
|
Stud or the like
|
|
US1674096A
|
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Frame construction
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US1555186A
|
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Machine for assembling metal lath upon studding elements
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US1504325A
|
|
Metal studding and method of making same
|
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US1455712A
|
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Frame construction for fireproof walls or partitions
|
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US1455711A
|
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Frame construction for fireproof walls or partitions
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US1418699A
|
|
Fastening element
|
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US1368699A
|
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Fireproof wall or partition construction
|
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US656307A
|
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Oil and gas burner for furnaces.
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