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US1492662A
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Brake mechanism
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US1473693A
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End-flap-folding mechanism for envelope-making machines
|
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US1421889A
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Gripper mechanism for envelope-making machines
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Elevator control mechanism for envelope-making machines
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Drying blower for envelope-making machines
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Removable drying-chain mechanism for envelope-making machines
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Delivery mechanism for envelope-making machines
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Feeler and counter mechanism for envelope-making machines
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US1404183A
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Balanced cam shaft
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Trap mechanism for envelope-making machines
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Bodily-removable creasing and folding box mechanism for envelopemaking machines
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Gum-box drive mechanism for envelope-making machines
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Elevator-control mechanism for envelope-making machines
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