A - Human Necessities – 61 – F
Patent
A - Human Necessities
61
F
128/51
A61F 13/20 (2006.01) A61F 6/08 (2006.01)
Patent
CA 1075112
ABSTRACT OF THE DISCLOSURE A contraceptive device in the form of a pussier or cirvical cap for attachment to the cervix, comprising a valve mechanism to permit outflow of material from the cervix and prevent inflow of material into the cervix.
234193
Goldschmidt Willfred
Lipfert Donald E.
Romney Seymour L.
Zeidman Robert
Medevice Company (a Partnership) (the)
Na
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