Title: American sex machines
First published: 1996
Subjects: History, Miscellanea, Patents, Sex, Sex customs, United States, United States. Patent Office, Sex machines, United states, patent and trademark office, Patents, united states, Patents as Topic, Equipment and Supplies, Prostheses and Implants, Penile Prosthesis, Masturbation
Places: United States
LC classification: HQ18.U5 L488 1996