US1853068A
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Paper making machine
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US1930104A
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Paper making machine
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US1700442A
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Suction roll
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US1722503A
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Paper-making method and machine
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US1715615A
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Paper-making machine
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US1718574A
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Paper-making method and machine
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US1679868A
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Internal-combustion engine
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US1532430A
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Antifriction journal bearing
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US1483372A
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Reenforced sand core and method of making same
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US1163254A
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Paper-making machine.
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US1092847A
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Cylinder-head fastener.
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US1047972A
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Device for filling centrifugal casting-machines.
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US1163253A
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Paper-making machine.
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US1058250A
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Process of treating, molding, and casting materials and apparatus therefor.
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US1163252A
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Paper-making.
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US1163251A
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Paper-making.
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US1025822A
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Paper-making machine.
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CA145334A
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Suction roll
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US957981A
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Suction-slice.
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US994863A
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Suction-roll.
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