American sex machines
Subtitle: the hidden history of sex at the U.S. Patent Office
By: Hoag Levins.
Publisher: Adams Media
Published: 1996
Place of publication: Holbrook, Mass
Language: eng
Number of pages: 280
Subjects: United States. Patent Office -- History.; Sex customs -- United States -- History.; Sex customs -- United States -- Miscellanea.; Sex -- Miscellanea.; Patents -- United States -- History.
Notes: Includes bibliographical references (p. 265-273) and index.