Title:
Intrauterine contraceptive device
United States Patent 3405711


Inventors:
Bakunin, Maurice I.
Application Number:
US56718166A
Publication Date:
10/15/1968
Filing Date:
07/22/1966
Assignee:
MAURICE I. BAKUNIN
Primary Class:
International Classes:
A61F6/14
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US Patent References:
3234938Intra-uterine u stem pessary1966-02-15
3200815Coil spring intra-uterine contraceptive device and method of using1965-08-17
2232258Pessary1941-02-18
1982001Pessary1934-11-27
0662716N/A1900-11-27