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Manufacture of pocket spring assemblies

Spring devices – Spring panel – With means to vary preliminary tension of spring
Patent

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Mattress inner spring assembly

Spring devices – Spring panel – Spring panel comprises vertically oriented compressible coil...
Reexamination Certificate

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Mattress innerspring structure having coaxial coil units

Spring devices – Spring panel – Spring panel comprises vertically oriented compressible coil...
Patent

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Mattress innerspring structure having coaxial coil units

Spring devices – Spring panel – Spring panel comprises vertically oriented compressible coil...
Patent

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Mattress or cushion spring array

Spring devices – Spring panel
Patent

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Mattress spring core with open ended coils

Spring devices – Spring panel – Spring panel comprises vertically oriented compressible coil...
Patent

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Mattress spring structure

Spring devices – Spring panel – Spring panel comprises vertically oriented compressible coil...
Reexamination Certificate

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Means mounting torsion springs

Spring devices – Spring panel – Spring means spacing loading surface vertically from plane...
Patent

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Modular seat spring assembly

Spring devices – Spring panel – Spring means spacing loading surface vertically from plane...
Patent

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Modular spring for a mattress foundation unit

Spring devices – Spring panel – Spring means spacing loading surface vertically from plane...
Reexamination Certificate

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Motor-vehicle seat with a spring core resting on a subframe

Spring devices – Spring panel – Spring panel comprises vertically oriented compressible coil...
Patent

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Multi-fold interlockable spring for use in mattress foundation a

Spring devices – Spring panel – Spring means spacing loading surface vertically from plane...
Patent

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Multiple rate coil spring assembly

Spring devices – Spring panel
Patent

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