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US2173682A
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Furnace conveyer
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US2252963A
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Support
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US2023126A
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Subdivided roller bottom for sheet normalizing furnaces
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US1984636A
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Machinable stainless casting
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US2064155A
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Valve and seat for internal combustion engines
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US1968675A
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Conveyer roll disk assembly
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US1964256A
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Heater
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US1949100A
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Gunsight reticule adjustment means
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US1950790A
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Gunsight reticule adjustment means
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US1949386A
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Disk mounting for furnace conveyer shafts
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US1872712A
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Lead pan
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US1872629A
|
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Work supporting bar for enameling furnaces
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US1923815A
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Furnace
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US1899948A
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Chain link and integral head articulating pintle
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US1824470A
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Intersupported disk for furnace conveyers
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US1872711A
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Furnace conveyer shaft with disks
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US1840942A
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Multiple unit fire resisting inclosure
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US1991016A
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Nonbuckling damper for high temperature flues
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US1849288A
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Electric furnace resistor element
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US1927634A
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Furnace
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