Family toilet seat

作者: Harold D. Adams

DOI:

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摘要: A multiple toilet seat assembly of the type that permit selective use an appropriate sized opening for by a particular individual e.g. adult or child and which affords greater safety due to elimination side-to-side lateral movement more sanitary in any wetting upon is prevented from coming contact with seat.

参考文章(5)
George E Thimmes, Richard M Radl, Combined toilet seat and infant's seat ,(1952)
George J Zaio, Closet seat for infants ,(1938)
Thomas G Ware, Robert P Leiter, Toilet seat assembly ,(1968)
Joyce Maurice, Toilet seat cover ,(1934)
Edward L Delany, Auxiliary toilet-seat ,(1919)