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专利名称：FLOTATION APPARATUS
发明人：JAMES D. WEINSTEIN,BARRY A. DAVIDSON申请号：US36949D申请日：19650917公开号：US36949A公开日：19720912
摘要：This invention relates to improved flotation apparatus and, in particular, to bedsand seats in which provision is made for bouyantly supporting the weight of the personon the bed or the seat, an object of this invention to provide improved flotationapparatus. This invention provides a flotation structure for buoyantly, or approximatelybuoyantly, supporting the weight of a patient's body by devices which weigh much lessthan previously known flotation devices.
申请人：SCOTT PAPER CO.
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