A tampon for feminine hygiene having an insertion end, a withdrawal end, a longitudinal axis, and an outer surface. The tampon has compressed fibrous material. The outer surface of the tampon has a plurality of recessed portions. Each of the recessed portions has a length dimension, a first side wall,...http://www.google.de/patents/US7097638?utm_source=gb-gplus-sharePatent US7097638 - Tampon having recessed portions
