Who invented pantyhose and when did they go on sale?

Hosiery was first introduced in the Renaissance period in Northern and Central Europe by barbarians. They didn't gain popularity, however, until the mid 1960s. Modern pantyhose were invented by Allen Gant, Sr. and Glen River Mills in 1959 (source: http://www.glenraven.com/index.php?lang=en&page=news-events&rss=20050621

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