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US2549364A
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Sheet feeding machine
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US2572691A
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Registering device for use with machines handling punctured sheets
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US2512084A
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Centering device for gripper bars in sheet handling machines
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US2579541A
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Control mechanism for the delivery stack of sheet working machines
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US2507556A
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Driving mechanism of mobile platens in presses
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US2579540A
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Gripper release mechanism for sheet handling machines
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US2428769A
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Sheet registering means
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US2361739A
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Pneumatic brake or stop control for decelerating rotating elements
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US2353214A
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Automatic blank feeder
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US2373222A
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Sheet detector
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US2418065A
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Blank feeding means
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US2258880A
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Platen press for working cardboard blanks
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GB544901A
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Improvements in or relating to platen-presses for working cardboard blanks
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US2262915A
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Device for correcting finely and when working the amplitude of the advance movement of a band of cardboard in a shaping machine
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US2158053A
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Press for cutting cardboard and scrap ejector therefor
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US2151890A
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Press for cutting cardboard
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US2133801A
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Process for shaping and printing cardboard blanks for the manufacture of boxes and machine for the working of said process
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