Surgery – Male reproductory tract shields or birth control devices
Patent
1987-08-27
1990-08-21
Hafer, Robert A.
Surgery
Male reproductory tract shields or birth control devices
128857, 128859, 128844, 128918, A61F 600
Patent
active
049497316
ABSTRACT:
An elastic and flexible oral prophylactic that conforms to the mouth. The hygienic appliance may incorporate texture and flavor, and includes impermeable and permeable embodiments.
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No affiliations
Brown Michael
Hafer Robert A.
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