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US3047878A
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Garment construction
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US2778253A
|
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Apparatus for rolling tubes
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US2779676A
|
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Flexible bushing and mold stool for cast tubular ingots
|
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US2751647A
|
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Continuous horizontal hot molten metal casting apparatus
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US2827810A
|
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Mandrel structure for rolling tubes
|
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US2616137A
|
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Core for tubular ingot molds
|
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US2590503A
|
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Hydraulic pressure control apparatus
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US2157996A
|
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Universal flexible and safety coupling
|
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US2140414A
|
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Continuous tube or bar rolling mill
|
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US2172901A
|
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Hydraulic pressure and flow controller
|
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US2025439A
|
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Mandrel bar for continuous tube rolling mills
|
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US1912966A
|
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Apparatus for producing tubular ingots
|
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US1912965A
|
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Method of producing tubular ingots
|
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US1860886A
|
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Pipe thread protector
|
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US1642330A
|
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Pipe-thread protector
|
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US1606341A
|
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Pipe-thread protector
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