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US1454068A
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Protective material for molds and method of forming the same
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US1450186A
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Metal mold
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US1474009A
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Method of coating molds
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US1454067A
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Container and mold for molten metal
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US1471190A
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Process of producing soft ferrous metal castings
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US1454066A
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Mold and process for casting materials
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US1454065A
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Mold for casting metals and process of making and using the molds
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US1454064A
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Process of casting metals
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US1529267A
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Gear-cutting apparatus
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US1437855A
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Gathering and discharging means for molten material
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US1461222A
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Machine for delivering cores to molds
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US1515163A
|
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Process for casting metal
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US1413766A
|
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Method and apparatus for making glass
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CA237802A
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Process of casting metal
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