This Day in the History of Sex -- June 4

Contributor: JadeAuthor JadeAuthor
On this date in 1991, Edward T. Stewart of Dodge City, Kansas received a U.S. Patent for his invention, a compact and simple to use vacuum pump to cause a man’s penis to become engorged with blood, thus creating an erection. When erect, the male can trap the blood in the penis, withdraw from the pump, and proceed with intercourse. Source: link
06/04/2012
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