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US3066403A
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Method of making extruded tubes from powdered metal
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US2829431A
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Method of making tubular railway car axles
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US2860775A
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Split die and container for extrusion press
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US2830474A
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Method of making an inserted tooth circular saw blade
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Multiple saws for cutting die block shanks
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US2658265A
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Method of making propeller blades
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US2512264A
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Method of making propeller blades
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US2653373A
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Collapsible die for forging crankshafts
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US2515589A
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Forging dies and manufacture thereof
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US2579030A
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Method of making equalizer beams
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US2557722A
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Method of forging hollow articles
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US2487304A
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Method of making turbine wheel forgings
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US2513710A
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Press-forging apparatus
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US2400387A
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Method and apparatus for forging crankcases
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US2424075A
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Method of forging cylinder heads
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US2378060A
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Forging apparatus
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US2390867A
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Process for forging cylinder heads
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US2378059A
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Manufacture of propeller blades
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US2323972A
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Method of forging
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US2168152A
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Garage door operator
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