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US2139337A
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Liquid treatment of metal sheets
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US2140860A
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Polisher for rolling mills
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US2090463A
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Apparatus for rolling sheet metal
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US1743734A
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Sheet-feeding apparatus
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US1772195A
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Stripping device for tin-pot feeding
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US1686042A
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Rolling-mill screw-down mechanism
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US1659984A
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Wiper for coating machines
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US1691503A
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Method and apparatus for handling sheet material
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US1643686A
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Feeding-mechanism deflector
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US1546039A
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Doubling machine
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US1560808A
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Shearing machine for metal sheets
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US1527756A
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Opener for sheet-metal packs
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US1543733A
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Apparatus for handling metal sheets after pickling
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US1487819A
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Rolling-mill catcher
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US1532607A
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Method of manufacturing sheet metal
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US1342608A
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Rolling-mill
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US1138994A
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Valve.
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US1136059A
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Sheet-alining mechanism.
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US1057183A
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Plate-handling machine.
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US964191A
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Heating-furnace for sheet metal.
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