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US4986518A
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Pocketed coil strings having a flat overlap side seam
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US4854023A
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Method for providing pocketed coil strings having a flat overlap side seam
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US4803742A
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Convertible bed
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NZ211505A
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Manufacturing an upholstery pocketed innerspring array: encased springs held under compression during adhesive application
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US4566926A
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Method and apparatus for manufacturing innerspring constructions
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US4565046A
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Apparatus for manufacturing pocketed coil springs
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US4578834A
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Innerspring construction
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US4491491A
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Ultrasonic separation apparatus
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US4519107A
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Boxspring having coil compression stops
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US4485506A
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Coil spring construction
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US4462129A
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Stabilized mattress border
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US4523344A
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Independent block assembly of springs
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US4490090A
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Apparatus for transporting frames
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US4401501A
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Apparatus for making assemblies of pocketed springs
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US4451946A
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Pocketed spring assembly
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US4439977A
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Method and apparatus for making a series of pocketed coil springs
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US4424600A
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Adjustable firmness mattress pillow top
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Thermally controllable heating mattress
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US4449261A
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Bed mattress having an improved pillow top
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US4389743A
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Mattress arrangement having a removable side-insertable center core structure
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