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US2433300A
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Subdrain
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US2442592A
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Electrolytic polishing of stainless steel
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US2430475A
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Process of hot coating metal strip
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US2437919A
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Process and means for improving the adherence of aluminum coatings
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GB598201A
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A process of producing insulative coatings of silicon steel sheets
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GB596606A
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Improvements in and relating to the manufacture of deep drawing sheet, iron or steel
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US2430117A
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Production of stainless steel
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US2430131A
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Production of stainless steel
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US2430054A
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Ring mill construction
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US2430671A
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Alloy process
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US2399785A
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Metal hangar or similar building
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US2374599A
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Contour rolling means
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US2434558A
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Rolling of thin gauged material
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US2398034A
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Treatment means and method for hot coated strip
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US2384411A
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Device for testing the compression characteristics of sheet metals
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US2386925A
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Plate reversing mechanism
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US2431517A
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Method of making saw blades
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US2382626A
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Plate handling device
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US2370803A
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Corrugated roofing and the like
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US2394899A
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Stainless steel and method of coating same
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