US3906952A - Anatomically-contoured sanitary napkin ...
An anatomically-contoured sanitary napkin whose shape blends in with female anatomy and which is adapted to be secured to the wearer without a supporting belt. The napkin is constituted by a backing formed of an impermeable film having a spoon-bowl shaped well therein whose opposite ends merge into flat, tapered extensions for connecting the napkin to body patches.
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