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US3306995A
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Independently operable switches with second touch release
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US2355362A
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Method and apparatus for removing sulphur and phosphorus from molten metals
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US2351482A
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Method of drying cores and molds
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US2312796A
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Casting metals
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US2303608A
|
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Casting metals
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US2276018A
|
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Metal founding
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US2314839A
|
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Casting metal
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US2314342A
|
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Producing artillery projectile bodies
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US2375522A
|
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Artillery bomb
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US2252961A
|
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Engine
|
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US2176328A
|
|
Screen for molding machines
|
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US2147880A
|
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Mold for casting crankshafts
|
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US2106702A
|
|
Brake drum cooling device
|
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US2121015A
|
|
Internal combustion engine cooling system
|
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US2156523A
|
|
Method of molding
|
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US2131935A
|
|
Molding machine
|
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US1927305A
|
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Brake drum
|
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US1879790A
|
|
Tire
|
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US1903405A
|
|
Tire
|
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US1717916A
|
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Mold and method of casting aluminum
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