|
US3456271A
|
|
Stiff framed mattress having sectional flexibility
|
|
US3430275A
|
|
Dual firmness spring for bedding and the like
|
|
US3339214A
|
|
Individually adjustable sleeping equipment
|
|
US3413849A
|
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Laboratory bedding test machine
|
|
US3340548A
|
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Bedding prescription apparatus
|
|
US3384908A
|
|
Bedding cover
|
|
US3334517A
|
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Mattress testing apparatus
|
|
US3289221A
|
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Spring unit with limiting means
|
|
US3249952A
|
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Articulated hospital bedding
|
|
US3195347A
|
|
Bedding testing machine
|
|
US3153249A
|
|
Firmness control for mattress
|
|
US3119728A
|
|
Label pressing machine
|
|
CA790483A
|
|
Articulated hospital bedding
|
