Surgery – Female reproductory tract shields – supports – or birth... – Pessaries
Patent
1990-12-03
1992-06-23
Hafer, Robert A.
Surgery
Female reproductory tract shields, supports, or birth...
Pessaries
128837, A61F 608
Patent
active
051234246
ABSTRACT:
A contraceptive cervical cap or form therefor, and a method for producing the same.
REFERENCES:
patent: 1092417 (1869-07-01), Angell
patent: 1103114 (1914-07-01), Warren
patent: 1169804 (1916-02-01), Gregory
patent: 3952737 (1976-04-01), Lipfert et al.
patent: 4007249 (1977-02-01), Erb
patent: 4320751 (1982-03-01), Loeb
patent: 4322463 (1982-03-01), Goepp
patent: 4326510 (1982-04-01), Buckles
patent: 4363318 (1982-12-01), Goepp
patent: 4517970 (1985-05-01), Goepp et al.
patent: 4543949 (1985-10-01), Goepp et al.
Hafer Robert A.
Rooney Kevin G.
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