American sex machines : the hidden history of sex at the U.S. Patent Office /

Bibliographic Details
Main Author:	Levins, Hoag
Format:	Book
Language:	English
Published:	Holbrook, Mass. : Adams Media, [1996]
Subjects:	Sex customs > United States > History. Sex customs > United States > Miscellanea. Sex > Miscellanea. Patents > United States > History. United States. > Patent Office > History.

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